2556038 has 8 divisors (see below), whose sum is σ = 3849120. Its totient is φ = 1273000.

The previous prime is 2556023. The next prime is 2556041. The reversal of 2556038 is 8306552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2556038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (481140).

2^2556038 is an apocalyptic number.

2556038 is a deficient number, since it is larger than the sum of its proper divisors (1293082).

2556038 is a wasteful number, since it uses less digits than its factorization.

2556038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2556038 is about 1598.7613955810. The cubic root of 2556038 is about 136.7274671634.

The spelling of 2556038 in words is "two million, five hundred fifty-six thousand, thirty-eight".