63486928 has 20 divisors (see below), whose sum is σ = 124565440. Its totient is φ = 31341024.

The previous prime is 63486881. The next prime is 63486937. The reversal of 63486928 is 82968436.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23850 + ... + 26377.

It is an arithmetic number, because the mean of its divisors is an integer number (6228272).

Almost surely, 2^63486928 is an apocalyptic number.

It is an amenable number.

63486928 is a deficient number, since it is larger than the sum of its proper divisors (61078512).

63486928 is a wasteful number, since it uses less digits than its factorization.

63486928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50314 (or 50308 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 63486928 is about 7967.8684728100. The cubic root of 63486928 is about 398.9282308420.

The spelling of 63486928 in words is "sixty-three million, four hundred eighty-six thousand, nine hundred twenty-eight".