63894 has 16 divisors (see below), whose sum is σ = 133632. Its totient is φ = 20328.

The previous prime is 63863. The next prime is 63901. The reversal of 63894 is 49836.

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

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 369.

It is an arithmetic number, because the mean of its divisors is an integer number (8352).

2⁶³⁸⁹⁴ is an apocalyptic number.

63894 is an abundant number, since it is smaller than the sum of its proper divisors (69738).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66816).

63894 is a wasteful number, since it uses less digits than its factorization.

63894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 5184, while the sum is 30.

The square root of 63894 is about 252.7726251001. The cubic root of 63894 is about 39.9779044636.

The spelling of 63894 in words is "sixty-three thousand, eight hundred ninety-four".