108631900 has 36 divisors (see below), whose sum is σ = 253867432. Its totient is φ = 40109760.

The previous prime is 108631891. The next prime is 108631903. The reversal of 108631900 is 9136801.

It is a happy number.

It is a super-2 number, since 2×108631900² = 23601779395220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108631903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40482 + ... + 43081.

Almost surely, 2^108631900 is an apocalyptic number.

108631900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108631900 is an abundant number, since it is smaller than the sum of its proper divisors (145235532).

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

108631900 is a wasteful number, since it uses less digits than its factorization.

108631900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83590 (or 83583 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 108631900 is about 10422.6628075555. The cubic root of 108631900 is about 477.1472866515.

The spelling of 108631900 in words is "one hundred eight million, six hundred thirty-one thousand, nine hundred".