556947 has 12 divisors (see below), whose sum is σ = 847080. Its totient is φ = 351648.

The previous prime is 556943. The next prime is 556957. The reversal of 556947 is 749655.

It is not a de Polignac number, because 556947 - 2² = 556943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1458 + ... + 1799.

It is an arithmetic number, because the mean of its divisors is an integer number (70590).

2⁵⁵⁶⁹⁴⁷ is an apocalyptic number.

556947 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

556947 is a deficient number, since it is larger than the sum of its proper divisors (290133).

556947 is a wasteful number, since it uses less digits than its factorization.

556947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282 (or 3279 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 556947 is about 746.2888180859. The cubic root of 556947 is about 82.2756438672.

The spelling of 556947 in words is "five hundred fifty-six thousand, nine hundred forty-seven".