63804 has 24 divisors (see below), whose sum is σ = 160720. Its totient is φ = 19584.

The previous prime is 63803. The next prime is 63809. The reversal of 63804 is 40836.

63804 is nontrivially palindromic in base 5 and base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49 + ... + 360.

2⁶³⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

63804 is an abundant number, since it is smaller than the sum of its proper divisors (96916).

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 (80360).

63804 is a wasteful number, since it uses less digits than its factorization.

63804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 63804 is about 252.5945367580. The cubic root of 63804 is about 39.9591249116.

The spelling of 63804 in words is "sixty-three thousand, eight hundred four".