30906966 has 16 divisors (see below), whose sum is σ = 62737344. Its totient is φ = 10148424.

The previous prime is 30906947. The next prime is 30906979. The reversal of 30906966 is 66960903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38040 + ... + 38843.

It is an arithmetic number, because the mean of its divisors is an integer number (3921084).

Almost surely, 2^30906966 is an apocalyptic number.

30906966 is an abundant number, since it is smaller than the sum of its proper divisors (31830378).

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

30906966 is a wasteful number, since it uses less digits than its factorization.

30906966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76955.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 30906966 is about 5559.4033852564. The cubic root of 30906966 is about 313.8234974347.

The spelling of 30906966 in words is "thirty million, nine hundred six thousand, nine hundred sixty-six".