30960990 has 48 divisors (see below), whose sum is σ = 84004128. Its totient is φ = 7896768.

The previous prime is 30960959. The next prime is 30961019. The reversal of 30960990 is 9906903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5409 + ... + 9548.

It is an arithmetic number, because the mean of its divisors is an integer number (1750086).

Almost surely, 2^30960990 is an apocalyptic number.

30960990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30960990 is an abundant number, since it is smaller than the sum of its proper divisors (53043138).

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

30960990 is a wasteful number, since it uses less digits than its factorization.

30960990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993 (or 14990 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 30960990 is about 5564.2600586241. The cubic root of 30960990 is about 314.0062408323.

The spelling of 30960990 in words is "thirty million, nine hundred sixty thousand, nine hundred ninety".