2539902 has 32 divisors (see below), whose sum is σ = 5532192. Its totient is φ = 774144.

The previous prime is 2539871. The next prime is 2539951. The reversal of 2539902 is 2099352.

It is a super-2 number, since 2×2539902² = 12902204339208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2539902.

It is a congruent number.

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, 3438 + ... + 4110.

It is an arithmetic number, because the mean of its divisors is an integer number (172881).

2^2539902 is an apocalyptic number.

2539902 is an abundant number, since it is smaller than the sum of its proper divisors (2992290).

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

2539902 is a wasteful number, since it uses less digits than its factorization.

2539902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 2539902 is about 1593.7069994199. The cubic root of 2539902 is about 136.4391442020.

The spelling of 2539902 in words is "two million, five hundred thirty-nine thousand, nine hundred two".