572238856 has 24 divisors (see below), whose sum is σ = 1248123870. Its totient is φ = 245245056.

The previous prime is 572238833. The next prime is 572238859. The reversal of 572238856 is 658832275.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 297010756 + 275228100 = 17234^2 + 16590^2 .

It is not an unprimeable number, because it can be changed into a prime (572238859) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 729505 + ... + 730288.

Almost surely, 2^572238856 is an apocalyptic number.

572238856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

572238856 is an abundant number, since it is smaller than the sum of its proper divisors (675885014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572238856 is a wasteful number, since it uses less digits than its factorization.

572238856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459813 (or 1459802 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 572238856 is about 23921.5145005495. The cubic root of 572238856 is about 830.2185789062.

The spelling of 572238856 in words is "five hundred seventy-two million, two hundred thirty-eight thousand, eight hundred fifty-six".