213568996 has 9 divisors (see below), whose sum is σ = 373796899. Its totient is φ = 106769884.

The previous prime is 213568981. The next prime is 213569033. The reversal of 213568996 is 699865312.

The square root of 213568996 is 14614.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×213568996² = 91223432104896032, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25575 + ... + 32881.

Almost surely, 2^213568996 is an apocalyptic number.

213568996 is the 14614-th square number.

It is an amenable number.

213568996 is a deficient number, since it is larger than the sum of its proper divisors (160227903).

213568996 is an frugal number, since it uses more digits than its factorization.

213568996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618 (or 7309 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The cubic root of 213568996 is about 597.7405726975.

Multiplying 213568996 by its sum of digits (49), we get a square (10464880804 = 102298²).

The spelling of 213568996 in words is "two hundred thirteen million, five hundred sixty-eight thousand, nine hundred ninety-six".