213456604 has 12 divisors (see below), whose sum is σ = 374679928. Its totient is φ = 106405200.

The previous prime is 213456587. The next prime is 213456623. The reversal of 213456604 is 406654312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79287 + ... + 81934.

Almost surely, 2^213456604 is an apocalyptic number.

It is an amenable number.

213456604 is a deficient number, since it is larger than the sum of its proper divisors (161223324).

213456604 is a wasteful number, since it uses less digits than its factorization.

213456604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161556 (or 161554 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 213456604 is about 14610.1541401862. The cubic root of 213456604 is about 597.6356994122.

The spelling of 213456604 in words is "two hundred thirteen million, four hundred fifty-six thousand, six hundred four".