30814994 has 32 divisors (see below), whose sum is σ = 55468800. Its totient is φ = 12559680.

The previous prime is 30814981. The next prime is 30814997. The reversal of 30814994 is 49941803.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30814997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28292 + ... + 29360.

It is an arithmetic number, because the mean of its divisors is an integer number (1733400).

Almost surely, 2^30814994 is an apocalyptic number.

30814994 is a deficient number, since it is larger than the sum of its proper divisors (24653806).

30814994 is a wasteful number, since it uses less digits than its factorization.

30814994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 30814994 is about 5551.1254714697. The cubic root of 30814994 is about 313.5118993743.

The spelling of 30814994 in words is "thirty million, eight hundred fourteen thousand, nine hundred ninety-four".