556870 has 16 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 220864.

The previous prime is 556867. The next prime is 556883. The reversal of 556870 is 78655.

556870 is nontrivially palindromic in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2⁵⁵⁶⁸⁷⁰ is an apocalyptic number.

556870 is a deficient number, since it is larger than the sum of its proper divisors (454010).

556870 is a wasteful number, since it uses less digits than its factorization.

556870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 556870 is about 746.2372276964. The cubic root of 556870 is about 82.2718520543.

The spelling of 556870 in words is "five hundred fifty-six thousand, eight hundred seventy".