556929 has 8 divisors (see below), whose sum is σ = 825120. Its totient is φ = 371268.

The previous prime is 556891. The next prime is 556931. The reversal of 556929 is 929655.

556929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556929 - 2¹² = 552833 is a prime.

It is a super-2 number, since 2×556929² = 620339822082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 556893 and 556902.

It is not an unprimeable number, because it can be changed into a prime (556939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10287 + ... + 10340.

It is an arithmetic number, because the mean of its divisors is an integer number (103140).

2⁵⁵⁶⁹²⁹ is an apocalyptic number.

It is an amenable number.

556929 is a deficient number, since it is larger than the sum of its proper divisors (268191).

556929 is a wasteful number, since it uses less digits than its factorization.

556929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20636 (or 20630 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 556929 is about 746.2767583142. The cubic root of 556929 is about 82.2747575007.

It can be divided in two parts, 556 and 929, that added together give a triangular number (1485 = T₅₄).

The spelling of 556929 in words is "five hundred fifty-six thousand, nine hundred twenty-nine".