63898 has 8 divisors (see below), whose sum is σ = 98208. Its totient is φ = 31164.

The previous prime is 63863. The next prime is 63901. The reversal of 63898 is 89836.

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

It is an alternating number because its digits alternate between even and odd.

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, 286 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (12276).

2⁶³⁸⁹⁸ is an apocalyptic number.

63898 is a deficient number, since it is larger than the sum of its proper divisors (34310).

63898 is a wasteful number, since it uses less digits than its factorization.

63898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its digits is 10368, while the sum is 34.

The square root of 63898 is about 252.7805372255. The cubic root of 63898 is about 39.9787387009.

It can be divided in two parts, 63 and 898, that added together give a square (961 = 31²).

The spelling of 63898 in words is "sixty-three thousand, eight hundred ninety-eight".