30406984 has 16 divisors (see below), whose sum is σ = 57190320. Its totient is φ = 15156240.

The previous prime is 30406969. The next prime is 30406991. The reversal of 30406984 is 48960403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3094 + ... + 8389.

It is an arithmetic number, because the mean of its divisors is an integer number (3574395).

Almost surely, 2^30406984 is an apocalyptic number.

It is an amenable number.

30406984 is a deficient number, since it is larger than the sum of its proper divisors (26783336).

30406984 is a wasteful number, since it uses less digits than its factorization.

30406984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820 (or 11816 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 30406984 is about 5514.2528052312. The cubic root of 30406984 is about 312.1220484594.

The spelling of 30406984 in words is "thirty million, four hundred six thousand, nine hundred eighty-four".