109859328 has 120 divisors (see below), whose sum is σ = 329176848. Its totient is φ = 36578304.

The previous prime is 109859303. The next prime is 109859333. The reversal of 109859328 is 823958901.

It is a happy number.

It is a super-2 number, since 2×109859328² = 24138143897223168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123975 + ... + 124857.

Almost surely, 2^109859328 is an apocalyptic number.

109859328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109859328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164588424).

109859328 is an abundant number, since it is smaller than the sum of its proper divisors (219317520).

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

109859328 is an frugal number, since it uses more digits than its factorization.

109859328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 109859328 is about 10481.3800618048. The cubic root of 109859328 is about 478.9376505129.

The spelling of 109859328 in words is "one hundred nine million, eight hundred fifty-nine thousand, three hundred twenty-eight".