63934464 has 156 divisors (see below), whose sum is σ = 191734928. Its totient is φ = 18923520.

The previous prime is 63934441. The next prime is 63934489. The reversal of 63934464 is 46443936.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1486827 + ... + 1486869.

Almost surely, 2^63934464 is an apocalyptic number.

63934464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63934464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95867464).

63934464 is an abundant number, since it is smaller than the sum of its proper divisors (127800464).

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

63934464 is a wasteful number, since it uses less digits than its factorization.

63934464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 59 counting only the distinct ones).

The product of its digits is 186624, while the sum is 39.

The square root of 63934464 is about 7995.9029508868. The cubic root of 63934464 is about 399.8634200368.

The spelling of 63934464 in words is "sixty-three million, nine hundred thirty-four thousand, four hundred sixty-four".