304149912 has 64 divisors (see below), whose sum is σ = 858124800. Its totient is φ = 88986240.

The previous prime is 304149893. The next prime is 304149943. The reversal of 304149912 is 219941403.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 12208 + ... + 27519.

It is an arithmetic number, because the mean of its divisors is an integer number (13408200).

Almost surely, 2^304149912 is an apocalyptic number.

It is an amenable number.

304149912 is an abundant number, since it is smaller than the sum of its proper divisors (553974888).

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

304149912 is a wasteful number, since it uses less digits than its factorization.

304149912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39776 (or 39772 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 304149912 is about 17439.8942657345. The cubic root of 304149912 is about 672.5055896128.

The spelling of 304149912 in words is "three hundred four million, one hundred forty-nine thousand, nine hundred twelve".