30808960 has 192 divisors, whose sum is σ = 94762080. Its totient is φ = 9326592.

The previous prime is 30808951. The next prime is 30808961. The reversal of 30808960 is 6980803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30808961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1339509 + ... + 1339531.

Almost surely, 2^30808960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30808960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47381040).

30808960 is an abundant number, since it is smaller than the sum of its proper divisors (63953120).

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

30808960 is a wasteful number, since it uses less digits than its factorization.

30808960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 30808960 is about 5550.5819514714. The cubic root of 30808960 is about 313.4914347233.

The spelling of 30808960 in words is "thirty million, eight hundred eight thousand, nine hundred sixty".