63908 has 12 divisors (see below), whose sum is σ = 120540. Its totient is φ = 29472.

The previous prime is 63907. The next prime is 63913. The reversal of 63908 is 80936.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 23104 = 202^2 + 152^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563 + ... + 666.

It is an arithmetic number, because the mean of its divisors is an integer number (10045).

2⁶³⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

63908 is a deficient number, since it is larger than the sum of its proper divisors (56632).

63908 is a wasteful number, since it uses less digits than its factorization.

63908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 63908 is about 252.8003164555. The cubic root of 63908 is about 39.9808241420.

The spelling of 63908 in words is "sixty-three thousand, nine hundred eight".