609509368 has 16 divisors (see below), whose sum is σ = 1230740280. Its totient is φ = 281311968.

The previous prime is 609509311. The next prime is 609509371. The reversal of 609509368 is 863905906.

It is a congruent number.

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, 2930230 + ... + 2930437.

Almost surely, 2^609509368 is an apocalyptic number.

It is an amenable number.

609509368 is an abundant number, since it is smaller than the sum of its proper divisors (621230912).

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

609509368 is a wasteful number, since it uses less digits than its factorization.

609509368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860686 (or 5860682 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 609509368 is about 24688.2435179176. The cubic root of 609509368 is about 847.8651700611.

The spelling of 609509368 in words is "six hundred nine million, five hundred nine thousand, three hundred sixty-eight".