30904049 has 8 divisors (see below), whose sum is σ = 33961248. Its totient is φ = 27888160.

The previous prime is 30904033. The next prime is 30904073. The reversal of 30904049 is 94040903.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30904049 - 2⁴ = 30904033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30904949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8747 + ... + 11760.

It is an arithmetic number, because the mean of its divisors is an integer number (4245156).

Almost surely, 2^30904049 is an apocalyptic number.

It is an amenable number.

30904049 is a deficient number, since it is larger than the sum of its proper divisors (3057199).

30904049 is a wasteful number, since it uses less digits than its factorization.

30904049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20655.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30904049 is about 5559.1410307709. The cubic root of 30904049 is about 313.8136242350.

The spelling of 30904049 in words is "thirty million, nine hundred four thousand, forty-nine".