2556598 has 16 divisors (see below), whose sum is σ = 4239360. Its totient is φ = 1146600.

The previous prime is 2556577. The next prime is 2556607. The reversal of 2556598 is 8956552.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2556598.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003 + ... + 2473.

It is an arithmetic number, because the mean of its divisors is an integer number (264960).

2^2556598 is an apocalyptic number.

2556598 is a deficient number, since it is larger than the sum of its proper divisors (1682762).

2556598 is a wasteful number, since it uses less digits than its factorization.

2556598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its digits is 108000, while the sum is 40.

The square root of 2556598 is about 1598.9365215668. The cubic root of 2556598 is about 136.7374515990.

The spelling of 2556598 in words is "two million, five hundred fifty-six thousand, five hundred ninety-eight".