109388 has 24 divisors (see below), whose sum is σ = 211680. Its totient is φ = 49280.

The previous prime is 109387. The next prime is 109391. The reversal of 109388 is 883901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 109388.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109388.

It is not an unprimeable number, because it can be changed into a prime (109387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

2¹⁰⁹³⁸⁸ is an apocalyptic number.

It is an amenable number.

109388 is a deficient number, since it is larger than the sum of its proper divisors (102292).

109388 is a wasteful number, since it uses less digits than its factorization.

109388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 109388 is about 330.7385674517. The cubic root of 109388 is about 47.8251742070.

The spelling of 109388 in words is "one hundred nine thousand, three hundred eighty-eight".