30638896 has 20 divisors (see below), whose sum is σ = 62855352. Its totient is φ = 14418176.

The previous prime is 30638837. The next prime is 30638911. The reversal of 30638896 is 69883603.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56050 + ... + 56593.

Almost surely, 2^30638896 is an apocalyptic number.

It is an amenable number.

30638896 is an abundant number, since it is smaller than the sum of its proper divisors (32216456).

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

30638896 is a wasteful number, since it uses less digits than its factorization.

30638896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112668 (or 112662 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 30638896 is about 5535.2412774874. The cubic root of 30638896 is about 312.9135508275.

The spelling of 30638896 in words is "thirty million, six hundred thirty-eight thousand, eight hundred ninety-six".