556634439 has 12 divisors (see below), whose sum is σ = 831753000. Its totient is φ = 358293264.

The previous prime is 556634413. The next prime is 556634443. The reversal of 556634439 is 934436655.

556634439 is a `hidden beast` number, since 5 + 5 + 6 + 634 + 4 + 3 + 9 = 666.

It is not a de Polignac number, because 556634439 - 2²⁴ = 539857223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556634394 and 556634403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556634479) 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 11 ways as a sum of consecutive naturals, for example, 1066089 + ... + 1066610.

It is an arithmetic number, because the mean of its divisors is an integer number (69312750).

Almost surely, 2^556634439 is an apocalyptic number.

556634439 is a deficient number, since it is larger than the sum of its proper divisors (275118561).

556634439 is a wasteful number, since it uses less digits than its factorization.

556634439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132734 (or 2132731 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 556634439 is about 23593.1015129423. The cubic root of 556634439 is about 822.6024984128.

The spelling of 556634439 in words is "five hundred fifty-six million, six hundred thirty-four thousand, four hundred thirty-nine".