63684832 has 12 divisors (see below), whose sum is σ = 125379576. Its totient is φ = 31842400.

The previous prime is 63684811. The next prime is 63684833. The reversal of 63684832 is 23848636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63684833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995044 + ... + 995107.

It is an arithmetic number, because the mean of its divisors is an integer number (10448298).

Almost surely, 2^63684832 is an apocalyptic number.

It is an amenable number.

63684832 is a deficient number, since it is larger than the sum of its proper divisors (61694744).

63684832 is a wasteful number, since it uses less digits than its factorization.

63684832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990161 (or 1990153 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 63684832 is about 7980.2776894040. The cubic root of 63684832 is about 399.3423192327.

It can be divided in two parts, 63684 and 832, that added together give a square (64516 = 254²).

The spelling of 63684832 in words is "sixty-three million, six hundred eighty-four thousand, eight hundred thirty-two".