30944790 has 24 divisors (see below), whose sum is σ = 80456688. Its totient is φ = 8251920.

The previous prime is 30944759. The next prime is 30944803. The reversal of 30944790 is 9744903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171826 + ... + 172005.

It is an arithmetic number, because the mean of its divisors is an integer number (3352362).

Almost surely, 2^30944790 is an apocalyptic number.

30944790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30944790 is an abundant number, since it is smaller than the sum of its proper divisors (49511898).

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

30944790 is a wasteful number, since it uses less digits than its factorization.

30944790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343844 (or 343841 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30944790 is about 5562.8041489882. The cubic root of 30944790 is about 313.9514644984.

The spelling of 30944790 in words is "thirty million, nine hundred forty-four thousand, seven hundred ninety".