109081984 has 48 divisors (see below), whose sum is σ = 238897260. Its totient is φ = 49575680.

The previous prime is 109081961. The next prime is 109081991. The reversal of 109081984 is 489180901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11967 + ... + 19009.

Almost surely, 2^109081984 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 109081984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119448630).

109081984 is an abundant number, since it is smaller than the sum of its proper divisors (129815276).

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

109081984 is an equidigital number, since it uses as much as digits as its factorization.

109081984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 109081984 is about 10444.2320924039. The cubic root of 109081984 is about 477.8053513241.

The spelling of 109081984 in words is "one hundred nine million, eighty-one thousand, nine hundred eighty-four".