304161604 has 12 divisors (see below), whose sum is σ = 534308544. Its totient is φ = 151502024.

The previous prime is 304161587. The next prime is 304161619. The reversal of 304161604 is 406161403.

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, 143512 + ... + 145615.

It is an arithmetic number, because the mean of its divisors is an integer number (44525712).

Almost surely, 2^304161604 is an apocalyptic number.

It is an amenable number.

304161604 is a deficient number, since it is larger than the sum of its proper divisors (230146940).

304161604 is a wasteful number, since it uses less digits than its factorization.

304161604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289394 (or 289392 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 304161604 is about 17440.2294709674. The cubic root of 304161604 is about 672.5142068925.

The spelling of 304161604 in words is "three hundred four million, one hundred sixty-one thousand, six hundred four".