2866248 has 144 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 728640.

The previous prime is 2866247. The next prime is 2866261. The reversal of 2866248 is 8426682.

2866248 is a `hidden beast` number, since 28 + 6 + 624 + 8 = 666.

2866248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1693²-1.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60961 + ... + 61007.

It is an arithmetic number, because the mean of its divisors is an integer number (69160).

2^2866248 is an apocalyptic number.

2866248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2866248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4979520).

2866248 is an abundant number, since it is smaller than the sum of its proper divisors (7092792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2866248 is a wasteful number, since it uses less digits than its factorization.

2866248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 70 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 2866248 is about 1692.9997046662. Note that the first 3 decimals coincide. The cubic root of 2866248 is about 142.0489152383.

The spelling of 2866248 in words is "two million, eight hundred sixty-six thousand, two hundred forty-eight".