108457986 has 32 divisors (see below), whose sum is σ = 266974848. Its totient is φ = 28604160.

The previous prime is 108457957. The next prime is 108457991. The reversal of 108457986 is 689754801.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98775 + ... + 99866.

It is an arithmetic number, because the mean of its divisors is an integer number (8342964).

Almost surely, 2^108457986 is an apocalyptic number.

108457986 is an abundant number, since it is smaller than the sum of its proper divisors (158516862).

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

108457986 is a wasteful number, since it uses less digits than its factorization.

108457986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198666.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 108457986 is about 10414.3163961923. The cubic root of 108457986 is about 476.8925213501.

The spelling of 108457986 in words is "one hundred eight million, four hundred fifty-seven thousand, nine hundred eighty-six".