30904967 has 8 divisors (see below), whose sum is σ = 31812480. Its totient is φ = 30010360.

The previous prime is 30904961. The next prime is 30904969. The reversal of 30904967 is 76940903.

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 30904967 - 2⁸ = 30904711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30904967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30904961) 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, 1742 + ... + 8052.

It is an arithmetic number, because the mean of its divisors is an integer number (3976560).

Almost surely, 2^30904967 is an apocalyptic number.

30904967 is a deficient number, since it is larger than the sum of its proper divisors (907513).

30904967 is an equidigital number, since it uses as much as digits as its factorization.

30904967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 30904967 is about 5559.2235968703. The cubic root of 30904967 is about 313.8167314660.

The spelling of 30904967 in words is "thirty million, nine hundred four thousand, nine hundred sixty-seven".