213085896 has 64 divisors (see below), whose sum is σ = 540561600. Its totient is φ = 69992448.

The previous prime is 213085877. The next prime is 213085907. The reversal of 213085896 is 698580312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829000 + ... + 829256.

It is an arithmetic number, because the mean of its divisors is an integer number (8446275).

Almost surely, 2^213085896 is an apocalyptic number.

It is an amenable number.

213085896 is an abundant number, since it is smaller than the sum of its proper divisors (327475704).

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

213085896 is a wasteful number, since it uses less digits than its factorization.

213085896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 213085896 is about 14597.4619711784. The cubic root of 213085896 is about 597.2895295769.

The spelling of 213085896 in words is "two hundred thirteen million, eighty-five thousand, eight hundred ninety-six".