304064428 has 6 divisors (see below), whose sum is σ = 532112756. Its totient is φ = 152032212.

The previous prime is 304064417. The next prime is 304064473. The reversal of 304064428 is 824460403.

It is a self number, because there is not a number n which added to its sum of digits gives 304064428.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38008050 + ... + 38008057.

Almost surely, 2^304064428 is an apocalyptic number.

It is an amenable number.

304064428 is a deficient number, since it is larger than the sum of its proper divisors (228048328).

304064428 is a wasteful number, since it uses less digits than its factorization.

304064428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76016111 (or 76016109 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 304064428 is about 17437.4432758934. The cubic root of 304064428 is about 672.4425791781.

The spelling of 304064428 in words is "three hundred four million, sixty-four thousand, four hundred twenty-eight".