213867256 has 16 divisors (see below), whose sum is σ = 402668640. Its totient is φ = 106488960.

The previous prime is 213867239. The next prime is 213867301. The reversal of 213867256 is 652768312.

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, 53536 + ... + 57391.

It is an arithmetic number, because the mean of its divisors is an integer number (25166790).

Almost surely, 2^213867256 is an apocalyptic number.

It is an amenable number.

213867256 is a deficient number, since it is larger than the sum of its proper divisors (188801384).

213867256 is a wasteful number, since it uses less digits than its factorization.

213867256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111174 (or 111170 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 213867256 is about 14624.2010380055. The cubic root of 213867256 is about 598.0187016668.

The spelling of 213867256 in words is "two hundred thirteen million, eight hundred sixty-seven thousand, two hundred fifty-six".