556790 has 16 divisors (see below), whose sum is σ = 1079568. Its totient is φ = 205536.

The previous prime is 556789. The next prime is 556793. The reversal of 556790 is 97655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2012 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (67473).

2⁵⁵⁶⁷⁹⁰ is an apocalyptic number.

556790 is a deficient number, since it is larger than the sum of its proper divisors (522778).

556790 is a wasteful number, since it uses less digits than its factorization.

556790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 556790 is about 746.1836235137. The cubic root of 556790 is about 82.2679121381.

The spelling of 556790 in words is "five hundred fifty-six thousand, seven hundred ninety".