63906108 has 48 divisors (see below), whose sum is σ = 170903040. Its totient is φ = 18206784.

The previous prime is 63906091. The next prime is 63906109. The reversal of 63906108 is 80160936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63906109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36010 + ... + 37742.

It is an arithmetic number, because the mean of its divisors is an integer number (3560480).

Almost surely, 2^63906108 is an apocalyptic number.

It is an amenable number.

63906108 is an abundant number, since it is smaller than the sum of its proper divisors (106996932).

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

63906108 is a wasteful number, since it uses less digits than its factorization.

63906108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 63906108 is about 7994.1295961474. The cubic root of 63906108 is about 399.8042959321.

The spelling of 63906108 in words is "sixty-three million, nine hundred six thousand, one hundred eight".