30868980 has 48 divisors (see below), whose sum is σ = 86716224. Its totient is φ = 8204800.

The previous prime is 30868973. The next prime is 30868993. The reversal of 30868980 is 8986803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23419 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (1806588).

Almost surely, 2^30868980 is an apocalyptic number.

30868980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30868980 is an abundant number, since it is smaller than the sum of its proper divisors (55847244).

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

30868980 is a wasteful number, since it uses less digits than its factorization.

30868980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 30868980 is about 5555.9859611054. The cubic root of 30868980 is about 313.6948771697.

The spelling of 30868980 in words is "thirty million, eight hundred sixty-eight thousand, nine hundred eighty".