30404812 has 12 divisors (see below), whose sum is σ = 53477200. Its totient is φ = 15125616.

The previous prime is 30404771. The next prime is 30404813. The reversal of 30404812 is 21840403.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (30404813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18303 + ... + 19894.

Almost surely, 2^30404812 is an apocalyptic number.

It is an amenable number.

30404812 is a deficient number, since it is larger than the sum of its proper divisors (23072388).

30404812 is a wasteful number, since it uses less digits than its factorization.

30404812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38400 (or 38398 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 30404812 is about 5514.0558575335. The cubic root of 30404812 is about 312.1146165568.

The spelling of 30404812 in words is "thirty million, four hundred four thousand, eight hundred twelve".