63928424 has 32 divisors (see below), whose sum is σ = 137424000. Its totient is φ = 27311040.

The previous prime is 63928379. The next prime is 63928453. The reversal of 63928424 is 42482936.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17909 + ... + 21179.

It is an arithmetic number, because the mean of its divisors is an integer number (4294500).

Almost surely, 2^63928424 is an apocalyptic number.

It is an amenable number.

63928424 is an abundant number, since it is smaller than the sum of its proper divisors (73495576).

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

63928424 is a wasteful number, since it uses less digits than its factorization.

63928424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633 (or 3629 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 63928424 is about 7995.5252485375. The cubic root of 63928424 is about 399.8508277093.

The spelling of 63928424 in words is "sixty-three million, nine hundred twenty-eight thousand, four hundred twenty-four".