213956892 has 36 divisors (see below), whose sum is σ = 550007640. Its totient is φ = 70109472.

The previous prime is 213956887. The next prime is 213956927. The reversal of 213956892 is 298659312.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48243 + ... + 52490.

It is an arithmetic number, because the mean of its divisors is an integer number (15277990).

Almost surely, 2^213956892 is an apocalyptic number.

It is an amenable number.

213956892 is an abundant number, since it is smaller than the sum of its proper divisors (336050748).

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

213956892 is a wasteful number, since it uses less digits than its factorization.

213956892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100802 (or 100797 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 213956892 is about 14627.2653630130. The cubic root of 213956892 is about 598.1022371555.

The spelling of 213956892 in words is "two hundred thirteen million, nine hundred fifty-six thousand, eight hundred ninety-two".