109499904 has 120 divisors (see below), whose sum is σ = 327810120. Its totient is φ = 36089856.

The previous prime is 109499903. The next prime is 109499917. The reversal of 109499904 is 409994901.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a self number, because there is not a number n which added to its sum of digits gives 109499904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109499903) 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, 1230292 + ... + 1230380.

It is an arithmetic number, because the mean of its divisors is an integer number (2731751).

Almost surely, 2^109499904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109499904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163905060).

109499904 is an abundant number, since it is smaller than the sum of its proper divisors (218310216).

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

109499904 is an frugal number, since it uses more digits than its factorization.

109499904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 109499904 is about 10464.2201811697. The cubic root of 109499904 is about 478.4147704451.

The spelling of 109499904 in words is "one hundred nine million, four hundred ninety-nine thousand, nine hundred four".