30996600 has 96 divisors (see below), whose sum is σ = 101184000. Its totient is φ = 7827840.

The previous prime is 30996587. The next prime is 30996607. The reversal of 30996600 is 669903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10041 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (1054000).

Almost surely, 2^30996600 is an apocalyptic number.

30996600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30996600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50592000).

30996600 is an abundant number, since it is smaller than the sum of its proper divisors (70187400).

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

30996600 is a wasteful number, since it uses less digits than its factorization.

30996600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 30996600 is about 5567.4590254442. The cubic root of 30996600 is about 314.1265802018.

The spelling of 30996600 in words is "thirty million, nine hundred ninety-six thousand, six hundred".