30996160 has 56 divisors (see below), whose sum is σ = 79497936. Its totient is φ = 11443200.

The previous prime is 30996139. The next prime is 30996179. The reversal of 30996160 is 6169903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 7885.

It is an arithmetic number, because the mean of its divisors is an integer number (1419606).

Almost surely, 2^30996160 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 30996160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39748968).

30996160 is an abundant number, since it is smaller than the sum of its proper divisors (48501776).

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

30996160 is a wasteful number, since it uses less digits than its factorization.

30996160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481 (or 7471 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 30996160 is about 5567.4195099705. The cubic root of 30996160 is about 314.1250938415.

It can be divided in two parts, 309 and 96160, that added together give a palindrome (96469).

The spelling of 30996160 in words is "thirty million, nine hundred ninety-six thousand, one hundred sixty".