213379856 has 10 divisors (see below), whose sum is σ = 413423502. Its totient is φ = 106689920.

The previous prime is 213379849. The next prime is 213379909. The reversal of 213379856 is 658973312.

It can be written as a sum of positive squares in only one way, i.e., 205062400 + 8317456 = 14320^2 + 2884^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6668105 + ... + 6668136.

Almost surely, 2^213379856 is an apocalyptic number.

It is an amenable number.

213379856 is a deficient number, since it is larger than the sum of its proper divisors (200043646).

213379856 is a wasteful number, since it uses less digits than its factorization.

213379856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336249 (or 13336243 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 213379856 is about 14607.5273746107. The cubic root of 213379856 is about 597.5640644880.

The spelling of 213379856 in words is "two hundred thirteen million, three hundred seventy-nine thousand, eight hundred fifty-six".