63897232 has 20 divisors (see below), whose sum is σ = 141486976. Its totient is φ = 27384480.

The previous prime is 63897199. The next prime is 63897259. The reversal of 63897232 is 23279836.

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, 285144 + ... + 285367.

Almost surely, 2^63897232 is an apocalyptic number.

It is an amenable number.

63897232 is an abundant number, since it is smaller than the sum of its proper divisors (77589744).

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

63897232 is a wasteful number, since it uses less digits than its factorization.

63897232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570526 (or 570520 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 63897232 is about 7993.5744194947. The cubic root of 63897232 is about 399.7857853006.

The spelling of 63897232 in words is "sixty-three million, eight hundred ninety-seven thousand, two hundred thirty-two".