556965 has 12 divisors (see below), whose sum is σ = 965484. Its totient is φ = 297024.

The previous prime is 556957. The next prime is 556967. The reversal of 556965 is 569655.

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 431649 = 354^2 + 657^2 .

It is not a de Polignac number, because 556965 - 2³ = 556957 is a prime.

It is a super-2 number, since 2×556965² = 620420022450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556967) 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, 6144 + ... + 6233.

It is an arithmetic number, because the mean of its divisors is an integer number (80457).

2⁵⁵⁶⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

556965 is a deficient number, since it is larger than the sum of its proper divisors (408519).

556965 is a wasteful number, since it uses less digits than its factorization.

556965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388 (or 12385 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 556965 is about 746.3008776626. The cubic root of 556965 is about 82.2765302147.

It can be divided in two parts, 556 and 965, that added together give a square (1521 = 39²).

The spelling of 556965 in words is "five hundred fifty-six thousand, nine hundred sixty-five".