609005964 has 96 divisors (see below), whose sum is σ = 1681698816. Its totient is φ = 167915520.

The previous prime is 609005951. The next prime is 609005981. The reversal of 609005964 is 469500906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333157 + ... + 334979.

It is an arithmetic number, because the mean of its divisors is an integer number (17517696).

Almost surely, 2^609005964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609005964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840849408).

609005964 is an abundant number, since it is smaller than the sum of its proper divisors (1072692852).

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

609005964 is a wasteful number, since it uses less digits than its factorization.

609005964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 609005964 is about 24678.0461949483. The cubic root of 609005964 is about 847.6316837522.

The spelling of 609005964 in words is "six hundred nine million, five thousand, nine hundred sixty-four".