609381960 has 64 divisors (see below), whose sum is σ = 1994345280. Its totient is φ = 147728640.

The previous prime is 609381953. The next prime is 609381991. The reversal of 609381960 is 69183906.

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, 229507 + ... + 232146.

It is an arithmetic number, because the mean of its divisors is an integer number (31161645).

Almost surely, 2^609381960 is an apocalyptic number.

609381960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

609381960 is an abundant number, since it is smaller than the sum of its proper divisors (1384963320).

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

609381960 is a wasteful number, since it uses less digits than its factorization.

609381960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461678 (or 461674 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 609381960 is about 24685.6630455817. The cubic root of 609381960 is about 847.8060884789.

The spelling of 609381960 in words is "six hundred nine million, three hundred eighty-one thousand, nine hundred sixty".