30299904 has 54 divisors (see below), whose sum is σ = 87368736. Its totient is φ = 10099200.

The previous prime is 30299873. The next prime is 30299911. The reversal of 30299904 is 40999203.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 4272 + ... + 8879.

Almost surely, 2^30299904 is an apocalyptic number.

It is an amenable number.

30299904 is an abundant number, since it is smaller than the sum of its proper divisors (57068832).

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

30299904 is a wasteful number, since it uses less digits than its factorization.

30299904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13173 (or 13156 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 30299904 is about 5504.5348577332. The cubic root of 30299904 is about 311.7552320898.

The spelling of 30299904 in words is "thirty million, two hundred ninety-nine thousand, nine hundred four".