109189984 has 12 divisors (see below), whose sum is σ = 214967844. Its totient is φ = 54594976.

The previous prime is 109189981. The next prime is 109189999. The reversal of 109189984 is 489981901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109189981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1706062 + ... + 1706125.

It is an arithmetic number, because the mean of its divisors is an integer number (17913987).

Almost surely, 2^109189984 is an apocalyptic number.

It is an amenable number.

109189984 is a deficient number, since it is larger than the sum of its proper divisors (105777860).

109189984 is an equidigital number, since it uses as much as digits as its factorization.

109189984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412197 (or 3412189 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 109189984 is about 10449.4011311654. The cubic root of 109189984 is about 477.9629879782.

It can be divided in two parts, 10918 and 9984, that added together give a palindrome (20902).

The spelling of 109189984 in words is "one hundred nine million, one hundred eighty-nine thousand, nine hundred eighty-four".