609491472 has 20 divisors (see below), whose sum is σ = 1574519760. Its totient is φ = 203163808.

The previous prime is 609491459. The next prime is 609491483. The reversal of 609491472 is 274194906.

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, 6348822 + ... + 6348917.

It is an arithmetic number, because the mean of its divisors is an integer number (78725988).

Almost surely, 2^609491472 is an apocalyptic number.

It is an amenable number.

609491472 is an abundant number, since it is smaller than the sum of its proper divisors (965028288).

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

609491472 is a wasteful number, since it uses less digits than its factorization.

609491472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697750 (or 12697744 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 609491472 is about 24687.8810755399. The cubic root of 609491472 is about 847.8568718328.

The spelling of 609491472 in words is "six hundred nine million, four hundred ninety-one thousand, four hundred seventy-two".