30980286 has 32 divisors (see below), whose sum is σ = 69196800. Its totient is φ = 10274040.

The previous prime is 30980281. The next prime is 30980303. The reversal of 30980286 is 68208903.

It is a self number, because there is not a number n which added to its sum of digits gives 30980286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30980281) 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, 10035 + ... + 12753.

It is an arithmetic number, because the mean of its divisors is an integer number (2162400).

Almost surely, 2^30980286 is an apocalyptic number.

30980286 is an abundant number, since it is smaller than the sum of its proper divisors (38216514).

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

30980286 is a wasteful number, since it uses less digits than its factorization.

30980286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 30980286 is about 5565.9937118182. The cubic root of 30980286 is about 314.0714606042.

The spelling of 30980286 in words is "thirty million, nine hundred eighty thousand, two hundred eighty-six".