30638064 has 40 divisors (see below), whose sum is σ = 79494912. Its totient is φ = 10168000.

The previous prime is 30638057. The next prime is 30638077. The reversal of 30638064 is 46083603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10777 + ... + 13319.

Almost surely, 2^30638064 is an apocalyptic number.

It is an amenable number.

30638064 is an abundant number, since it is smaller than the sum of its proper divisors (48856848).

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

30638064 is a wasteful number, since it uses less digits than its factorization.

30638064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 30638064 is about 5535.1661221683. The cubic root of 30638064 is about 312.9107184101.

The spelling of 30638064 in words is "thirty million, six hundred thirty-eight thousand, sixty-four".