109609900 has 18 divisors (see below), whose sum is σ = 237853700. Its totient is φ = 43843920.

The previous prime is 109609891. The next prime is 109609919. The reversal of 109609900 is 9906901.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 547950 + ... + 548149.

Almost surely, 2^109609900 is an apocalyptic number.

109609900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109609900 is an abundant number, since it is smaller than the sum of its proper divisors (128243800).

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

109609900 is a wasteful number, since it uses less digits than its factorization.

109609900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096113 (or 1096106 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 109609900 is about 10469.4746764105. The cubic root of 109609900 is about 478.5749109210.

The spelling of 109609900 in words is "one hundred nine million, six hundred nine thousand, nine hundred".