609904930 has 32 divisors (see below), whose sum is σ = 1126461168. Its totient is φ = 237619200.

The previous prime is 609904913. The next prime is 609904949. The reversal of 609904930 is 39409906.

It can be written as a sum of positive squares in 8 ways, for example, as 185586129 + 424318801 = 13623^2 + 20599^2 .

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, 447450 + ... + 448810.

Almost surely, 2^609904930 is an apocalyptic number.

609904930 is a deficient number, since it is larger than the sum of its proper divisors (516556238).

609904930 is a wasteful number, since it uses less digits than its factorization.

609904930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 609904930 is about 24696.2533595685. The cubic root of 609904930 is about 848.0485474535.

The spelling of 609904930 in words is "six hundred nine million, nine hundred four thousand, nine hundred thirty".