30896208 has 160 divisors (see below), whose sum is σ = 107493120. Its totient is φ = 8294400.

The previous prime is 30896183. The next prime is 30896213. The reversal of 30896208 is 80269803.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51108 + ... + 51708.

It is an arithmetic number, because the mean of its divisors is an integer number (671832).

Almost surely, 2^30896208 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 30896208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53746560).

30896208 is an abundant number, since it is smaller than the sum of its proper divisors (76596912).

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

30896208 is a wasteful number, since it uses less digits than its factorization.

30896208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 630 counting only the distinct ones).

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

The square root of 30896208 is about 5558.4357511804. The cubic root of 30896208 is about 313.7870816423.

The spelling of 30896208 in words is "thirty million, eight hundred ninety-six thousand, two hundred eight".