63634984 has 16 divisors (see below), whose sum is σ = 136360800. Its totient is φ = 27272112.

The previous prime is 63634973. The next prime is 63635003. The reversal of 63634984 is 48943636.

It is a super-2 number, since 2×63634984² = 8098822377360512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63634984.

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, 568114 + ... + 568225.

It is an arithmetic number, because the mean of its divisors is an integer number (8522550).

Almost surely, 2^63634984 is an apocalyptic number.

It is an amenable number.

63634984 is an abundant number, since it is smaller than the sum of its proper divisors (72725816).

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

63634984 is a wasteful number, since it uses less digits than its factorization.

63634984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136352 (or 1136348 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 63634984 is about 7977.1538784205. The cubic root of 63634984 is about 399.2380996912.

The spelling of 63634984 in words is "sixty-three million, six hundred thirty-four thousand, nine hundred eighty-four".