2487886 has 4 divisors (see below), whose sum is σ = 3731832. Its totient is φ = 1243942.

The previous prime is 2487883. The next prime is 2487907. The reversal of 2487886 is 6887842.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621970 + ... + 621973.

It is an arithmetic number, because the mean of its divisors is an integer number (932958).

2^2487886 is an apocalyptic number.

2487886 is a deficient number, since it is larger than the sum of its proper divisors (1243946).

2487886 is a wasteful number, since it uses less digits than its factorization.

2487886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243945.

The product of its digits is 172032, while the sum is 43.

The square root of 2487886 is about 1577.3033950385. The cubic root of 2487886 is about 135.5013094285.

It can be divided in two parts, 24878 and 86, that added together give a square (24964 = 158²).

The spelling of 2487886 in words is "two million, four hundred eighty-seven thousand, eight hundred eighty-six".