304023664 has 40 divisors (see below), whose sum is σ = 674644320. Its totient is φ = 130015488.

The previous prime is 304023659. The next prime is 304023691. The reversal of 304023664 is 466320403.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54342 + ... + 59674.

It is an arithmetic number, because the mean of its divisors is an integer number (16866108).

Almost surely, 2^304023664 is an apocalyptic number.

It is an amenable number.

304023664 is an abundant number, since it is smaller than the sum of its proper divisors (370620656).

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

304023664 is a wasteful number, since it uses less digits than its factorization.

304023664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857 (or 5851 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 304023664 is about 17436.2743726979. The cubic root of 304023664 is about 672.4125277900.

The spelling of 304023664 in words is "three hundred four million, twenty-three thousand, six hundred sixty-four".