609945606 has 32 divisors (see below), whose sum is σ = 1368606720. Its totient is φ = 201339432.

The previous prime is 609945577. The next prime is 609945613. The reversal of 609945606 is 606549906.

It is a Curzon number.

It is a congruent number.

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, 49270 + ... + 60393.

It is an arithmetic number, because the mean of its divisors is an integer number (42768960).

Almost surely, 2^609945606 is an apocalyptic number.

609945606 is an abundant number, since it is smaller than the sum of its proper divisors (758661114).

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

609945606 is a wasteful number, since it uses less digits than its factorization.

609945606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109777 (or 109771 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 609945606 is about 24697.0768715652. The cubic root of 609945606 is about 848.0673998212.

The spelling of 609945606 in words is "six hundred nine million, nine hundred forty-five thousand, six hundred six".