108686838 has 32 divisors (see below), whose sum is σ = 242172000. Its totient is φ = 32288256.

The previous prime is 108686833. The next prime is 108686839. The reversal of 108686838 is 838686801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108686833) 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, 21763 + ... + 26286.

It is an arithmetic number, because the mean of its divisors is an integer number (7567875).

Almost surely, 2^108686838 is an apocalyptic number.

108686838 is an abundant number, since it is smaller than the sum of its proper divisors (133485162).

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

108686838 is a wasteful number, since it uses less digits than its factorization.

108686838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48096.

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 108686838 is about 10425.2979813529. The cubic root of 108686838 is about 477.2277083936.

The spelling of 108686838 in words is "one hundred eight million, six hundred eighty-six thousand, eight hundred thirty-eight".