109975992 has 96 divisors (see below), whose sum is σ = 338703120. Its totient is φ = 29568000.

The previous prime is 109975967. The next prime is 109975997. The reversal of 109975992 is 299579901.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109975997) by changing a digit.

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, 17242 + ... + 22742.

Almost surely, 2^109975992 is an apocalyptic number.

109975992 is a gapful number since it is divisible by the number (12) 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 109975992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169351560).

109975992 is an abundant number, since it is smaller than the sum of its proper divisors (228727128).

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

109975992 is a wasteful number, since it uses less digits than its factorization.

109975992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 51.

The square root of 109975992 is about 10486.9438827525. The cubic root of 109975992 is about 479.1071248645.

The spelling of 109975992 in words is "one hundred nine million, nine hundred seventy-five thousand, nine hundred ninety-two".