30897096 has 64 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 9768000.

The previous prime is 30897089. The next prime is 30897107. The reversal of 30897096 is 69079803.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122971 + ... + 123221.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^30897096 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 30897096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40642560).

30897096 is an abundant number, since it is smaller than the sum of its proper divisors (50388024).

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

30897096 is a wasteful number, since it uses less digits than its factorization.

30897096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 30897096 is about 5558.5156291945. The cubic root of 30897096 is about 313.7900878392.

The spelling of 30897096 in words is "thirty million, eight hundred ninety-seven thousand, ninety-six".