2288040 has 64 divisors (see below), whose sum is σ = 7171200. Its totient is φ = 582912.

The previous prime is 2288029. The next prime is 2288051. The reversal of 2288040 is 408822.

It is an interprime number because it is at equal distance from previous prime (2288029) and next prime (2288051).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2288040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346 + ... + 3174.

It is an arithmetic number, because the mean of its divisors is an integer number (112050).

2^2288040 is an apocalyptic number.

2288040 is a gapful number since it is divisible by the number (20) 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 2288040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3585600).

2288040 is an abundant number, since it is smaller than the sum of its proper divisors (4883160).

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

2288040 is a wasteful number, since it uses less digits than its factorization.

2288040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2288040 is about 1512.6268541845. The cubic root of 2288040 is about 131.7714133803.

The spelling of 2288040 in words is "two million, two hundred eighty-eight thousand, forty".