2556104 has 16 divisors (see below), whose sum is σ = 4910220. Its totient is φ = 1246720.

The previous prime is 2556101. The next prime is 2556107. The reversal of 2556104 is 4016552.

It is an interprime number because it is at equal distance from previous prime (2556101) and next prime (2556107).

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 2500 = 1598^2 + 50^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2556104.

It is not an unprimeable number, because it can be changed into a prime (2556101) by changing a digit.

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, 3569 + ... + 4224.

2^2556104 is an apocalyptic number.

It is an amenable number.

2556104 is a deficient number, since it is larger than the sum of its proper divisors (2354116).

2556104 is a wasteful number, since it uses less digits than its factorization.

2556104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840 (or 7836 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2556104 is about 1598.7820364265. The cubic root of 2556104 is about 136.7286439762.

The spelling of 2556104 in words is "two million, five hundred fifty-six thousand, one hundred four".