2556974 has 8 divisors (see below), whose sum is σ = 4383408. Its totient is φ = 1095840.

The previous prime is 2556943. The next prime is 2556977. The reversal of 2556974 is 4796552.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91307 + ... + 91334.

It is an arithmetic number, because the mean of its divisors is an integer number (547926).

2^2556974 is an apocalyptic number.

2556974 is a deficient number, since it is larger than the sum of its proper divisors (1826434).

2556974 is a wasteful number, since it uses less digits than its factorization.

2556974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182650.

The product of its digits is 75600, while the sum is 38.

The square root of 2556974 is about 1599.0540953951. The cubic root of 2556974 is about 136.7441546163.

The spelling of 2556974 in words is "two million, five hundred fifty-six thousand, nine hundred seventy-four".