30880296 has 48 divisors (see below), whose sum is σ = 88557300. Its totient is φ = 9687552.

The previous prime is 30880277. The next prime is 30880303. The reversal of 30880296 is 69208803.

It can be written as a sum of positive squares in 2 ways, for example, as 30404196 + 476100 = 5514^2 + 690^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30880296.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11391 + ... + 13838.

Almost surely, 2^30880296 is an apocalyptic number.

30880296 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30880296 is an abundant number, since it is smaller than the sum of its proper divisors (57677004).

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

30880296 is a wasteful number, since it uses less digits than its factorization.

30880296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25258 (or 25251 counting only the distinct ones).

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

The square root of 30880296 is about 5557.0042288989. The cubic root of 30880296 is about 313.7332040765.

The spelling of 30880296 in words is "thirty million, eight hundred eighty thousand, two hundred ninety-six".