63898064 has 20 divisors (see below), whose sum is σ = 130319040. Its totient is φ = 30267360.

The previous prime is 63898063. The next prime is 63898067. The reversal of 63898064 is 46089836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63898063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104792 + ... + 105399.

It is an arithmetic number, because the mean of its divisors is an integer number (6515952).

Almost surely, 2^63898064 is an apocalyptic number.

It is an amenable number.

63898064 is an abundant number, since it is smaller than the sum of its proper divisors (66420976).

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

63898064 is a wasteful number, since it uses less digits than its factorization.

63898064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210218 (or 210212 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 63898064 is about 7993.6264611251. The cubic root of 63898064 is about 399.7875204845.

The spelling of 63898064 in words is "sixty-three million, eight hundred ninety-eight thousand, sixty-four".