63897598 has 8 divisors (see below), whose sum is σ = 98184240. Its totient is φ = 31169520.

The previous prime is 63897593. The next prime is 63897601. The reversal of 63897598 is 89579836.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63897593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389538 + ... + 389701.

It is an arithmetic number, because the mean of its divisors is an integer number (12273030).

Almost surely, 2^63897598 is an apocalyptic number.

63897598 is a deficient number, since it is larger than the sum of its proper divisors (34286642).

63897598 is a wasteful number, since it uses less digits than its factorization.

63897598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779282.

The product of its digits is 3265920, while the sum is 55.

The square root of 63897598 is about 7993.5973128498. The cubic root of 63897598 is about 399.7865486165.

The spelling of 63897598 in words is "sixty-three million, eight hundred ninety-seven thousand, five hundred ninety-eight".