63489696 has 48 divisors (see below), whose sum is σ = 176468544. Its totient is φ = 19917824.

The previous prime is 63489677. The next prime is 63489709. The reversal of 63489696 is 69698436.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17820 + ... + 21083.

It is an arithmetic number, because the mean of its divisors is an integer number (3676428).

Almost surely, 2^63489696 is an apocalyptic number.

It is an amenable number.

63489696 is an abundant number, since it is smaller than the sum of its proper divisors (112978848).

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

63489696 is a wasteful number, since it uses less digits than its factorization.

63489696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38933 (or 38925 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 63489696 is about 7968.0421685631. The cubic root of 63489696 is about 398.9340284518.

The spelling of 63489696 in words is "sixty-three million, four hundred eighty-nine thousand, six hundred ninety-six".