63928 has 16 divisors (see below), whose sum is σ = 122760. Its totient is φ = 31200.

The previous prime is 63913. The next prime is 63929. The reversal of 63928 is 82936.

It is a junction number, because it is equal to n+sod(n) for n = 63896 and 63905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63929) 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, 423 + ... + 553.

2⁶³⁹²⁸ is an apocalyptic number.

It is an amenable number.

63928 is a deficient number, since it is larger than the sum of its proper divisors (58832).

63928 is a wasteful number, since it uses less digits than its factorization.

63928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 194 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 63928 is about 252.8398702737. The cubic root of 63928 is about 39.9849943715.

It can be divided in two parts, 6392 and 8, that added together give a square (6400 = 80²).

The spelling of 63928 in words is "sixty-three thousand, nine hundred twenty-eight".