109508 has 12 divisors (see below), whose sum is σ = 219072. Its totient is φ = 46920.

The previous prime is 109507. The next prime is 109517. The reversal of 109508 is 805901.

109508 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (109507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (18256).

2¹⁰⁹⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

109508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

109508 is a wasteful number, since it uses less digits than its factorization.

109508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922 (or 3920 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 109508 is about 330.9199298924. The cubic root of 109508 is about 47.8426560868.

The spelling of 109508 in words is "one hundred nine thousand, five hundred eight".