63598 has 4 divisors (see below), whose sum is σ = 95400. Its totient is φ = 31798.

The previous prime is 63589. The next prime is 63599. The reversal of 63598 is 89536.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63599) by changing a digit.

63598 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15898 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (23850).

2⁶³⁵⁹⁸ is an apocalyptic number.

63598 is a deficient number, since it is larger than the sum of its proper divisors (31802).

63598 is a wasteful number, since it uses less digits than its factorization.

63598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31801.

The product of its digits is 6480, while the sum is 31.

The square root of 63598 is about 252.1864389693. The cubic root of 63598 is about 39.9160740340.

The spelling of 63598 in words is "sixty-three thousand, five hundred ninety-eight".