30863960 has 32 divisors (see below), whose sum is σ = 70925760. Its totient is φ = 12082176.

The previous prime is 30863929. The next prime is 30864017. The reversal of 30863960 is 6936803.

It is a self number, because there is not a number n which added to its sum of digits gives 30863960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6329 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (2216430).

Almost surely, 2^30863960 is an apocalyptic number.

It is an amenable number.

30863960 is an abundant number, since it is smaller than the sum of its proper divisors (40061800).

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

30863960 is a wasteful number, since it uses less digits than its factorization.

30863960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475 (or 16471 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 30863960 is about 5555.5341777366. The cubic root of 30863960 is about 313.6778716012.

The spelling of 30863960 in words is "thirty million, eight hundred sixty-three thousand, nine hundred sixty".