109919400 has 96 divisors (see below), whose sum is σ = 343103040. Its totient is φ = 29109760.

The previous prime is 109919371. The next prime is 109919413. The reversal of 109919400 is 4919901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99652 + ... + 100748.

It is an arithmetic number, because the mean of its divisors is an integer number (3573990).

Almost surely, 2^109919400 is an apocalyptic number.

109919400 is a gapful number since it is divisible by the number (10) 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 109919400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171551520).

109919400 is an abundant number, since it is smaller than the sum of its proper divisors (233183640).

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

109919400 is a wasteful number, since it uses less digits than its factorization.

109919400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 109919400 is about 10484.2453233411. The cubic root of 109919400 is about 479.0249303116.

The spelling of 109919400 in words is "one hundred nine million, nine hundred nineteen thousand, four hundred".