100686860 has 12 divisors (see below), whose sum is σ = 211442448. Its totient is φ = 40274736.

The previous prime is 100686841. The next prime is 100686877. The reversal of 100686860 is 68686001.

It is a self number, because there is not a number n which added to its sum of digits gives 100686860.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2517152 + ... + 2517191.

It is an arithmetic number, because the mean of its divisors is an integer number (17620204).

Almost surely, 2^100686860 is an apocalyptic number.

100686860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100686860 is an abundant number, since it is smaller than the sum of its proper divisors (110755588).

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

100686860 is a wasteful number, since it uses less digits than its factorization.

100686860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034352 (or 5034350 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 100686860 is about 10034.2842295801. The cubic root of 100686860 is about 465.2191667352.

The spelling of 100686860 in words is "one hundred million, six hundred eighty-six thousand, eight hundred sixty".