213096904 has 16 divisors (see below), whose sum is σ = 423060300. Its totient is φ = 100280832.

The previous prime is 213096899. The next prime is 213096943. The reversal of 213096904 is 409690312.

213096904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 210308004 + 2788900 = 14502^2 + 1670^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 213096904.

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, 783309 + ... + 783580.

Almost surely, 2^213096904 is an apocalyptic number.

It is an amenable number.

213096904 is a deficient number, since it is larger than the sum of its proper divisors (209963396).

213096904 is a wasteful number, since it uses less digits than its factorization.

213096904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566912 (or 1566908 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 213096904 is about 14597.8390181561. The cubic root of 213096904 is about 597.2998147092.

The spelling of 213096904 in words is "two hundred thirteen million, ninety-six thousand, nine hundred four".