111604332 has 48 divisors (see below), whose sum is σ = 301819392. Its totient is φ = 31436160.

The previous prime is 111604331. The next prime is 111604343. The reversal of 111604332 is 233406111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 111604299 and 111604308.

It is not an unprimeable number, because it can be changed into a prime (111604331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (6287904).

Almost surely, 2^111604332 is an apocalyptic number.

111604332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111604332 is an abundant number, since it is smaller than the sum of its proper divisors (190215060).

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

111604332 is a wasteful number, since it uses less digits than its factorization.

111604332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18798 (or 18796 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 111604332 is about 10564.2951492279. The cubic root of 111604332 is about 481.4601544177.

The spelling of 111604332 in words is "one hundred eleven million, six hundred four thousand, three hundred thirty-two".