210804042 has 16 divisors (see below), whose sum is σ = 431891712. Its totient is φ = 68554080.

The previous prime is 210804037. The next prime is 210804079. The reversal of 210804042 is 240408012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428218 + ... + 428709.

It is an arithmetic number, because the mean of its divisors is an integer number (26993232).

Almost surely, 2^210804042 is an apocalyptic number.

210804042 is an abundant number, since it is smaller than the sum of its proper divisors (221087670).

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

210804042 is a wasteful number, since it uses less digits than its factorization.

210804042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856973.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 210804042 is about 14519.0923270017. The cubic root of 210804042 is about 595.1498264501.

The spelling of 210804042 in words is "two hundred ten million, eight hundred four thousand, forty-two".