63998024 has 8 divisors (see below), whose sum is σ = 119996310. Its totient is φ = 31999008.

The previous prime is 63998009. The next prime is 63998027. The reversal of 63998024 is 42089936.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 14577124 = 7030^2 + 3818^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (63998027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3999869 + ... + 3999884.

Almost surely, 2^63998024 is an apocalyptic number.

It is an amenable number.

63998024 is a deficient number, since it is larger than the sum of its proper divisors (55998286).

63998024 is a wasteful number, since it uses less digits than its factorization.

63998024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7999759 (or 7999755 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 63998024 is about 7999.8764990467. The cubic root of 63998024 is about 399.9958832910.

The spelling of 63998024 in words is "sixty-three million, nine hundred ninety-eight thousand, twenty-four".