63404 has 18 divisors (see below), whose sum is σ = 122892. Its totient is φ = 28600.

The previous prime is 63397. The next prime is 63409. The reversal of 63404 is 40436.

63404 is nontrivially palindromic in base 5.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (63409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419 + ... + 549.

2⁶³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

63404 is a deficient number, since it is larger than the sum of its proper divisors (59488).

63404 is a wasteful number, since it uses less digits than its factorization.

63404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 63404 is about 251.8015091297. The cubic root of 63404 is about 39.8754458928.

It can be divided in two parts, 63 and 404, that multiplied together give a palindrome (25452).

The spelling of 63404 in words is "sixty-three thousand, four hundred four".