109800372 has 24 divisors (see below), whose sum is σ = 279492192. Its totient is φ = 33272800.

The previous prime is 109800359. The next prime is 109800377. The reversal of 109800372 is 273008901.

It is a happy number.

It is a super-2 number, since 2×109800372² = 24112243382676768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109800377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415779 + ... + 416042.

It is an arithmetic number, because the mean of its divisors is an integer number (11645508).

Almost surely, 2^109800372 is an apocalyptic number.

109800372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109800372 is an abundant number, since it is smaller than the sum of its proper divisors (169691820).

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

109800372 is a wasteful number, since it uses less digits than its factorization.

109800372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831839 (or 831837 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 109800372 is about 10478.5672684771. The cubic root of 109800372 is about 478.8519612314.

The spelling of 109800372 in words is "one hundred nine million, eight hundred thousand, three hundred seventy-two".