30976988 has 24 divisors (see below), whose sum is σ = 64092000. Its totient is φ = 12817728.

The previous prime is 30976987. The next prime is 30976991. The reversal of 30976988 is 88967903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30976987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18263 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (2670500).

Almost surely, 2^30976988 is an apocalyptic number.

It is an amenable number.

30976988 is an abundant number, since it is smaller than the sum of its proper divisors (33115012).

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

30976988 is a wasteful number, since it uses less digits than its factorization.

30976988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38189 (or 38187 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 30976988 is about 5565.6974405729. The cubic root of 30976988 is about 314.0603154044.

The spelling of 30976988 in words is "thirty million, nine hundred seventy-six thousand, nine hundred eighty-eight".