109573992 has 128 divisors (see below), whose sum is σ = 335923200. Its totient is φ = 32817600.

The previous prime is 109573987. The next prime is 109573999. The reversal of 109573992 is 299375901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109573999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254017 + ... + 254447.

It is an arithmetic number, because the mean of its divisors is an integer number (2624400).

Almost surely, 2^109573992 is an apocalyptic number.

109573992 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 109573992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167961600).

109573992 is an abundant number, since it is smaller than the sum of its proper divisors (226349208).

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

109573992 is a wasteful number, since it uses less digits than its factorization.

109573992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 109573992 is about 10467.7596456931. The cubic root of 109573992 is about 478.5226451287.

The spelling of 109573992 in words is "one hundred nine million, five hundred seventy-three thousand, nine hundred ninety-two".