108389232 has 160 divisors (see below), whose sum is σ = 361167360. Its totient is φ = 30481920.

The previous prime is 108389227. The next prime is 108389233. The reversal of 108389232 is 232983801.

It is a happy number.

It is a super-2 number, since 2×108389232² = 23496451227099648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108389233) 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, 220507 + ... + 220997.

It is an arithmetic number, because the mean of its divisors is an integer number (2257296).

Almost surely, 2^108389232 is an apocalyptic number.

108389232 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 108389232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180583680).

108389232 is an abundant number, since it is smaller than the sum of its proper divisors (252778128).

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

108389232 is a wasteful number, since it uses less digits than its factorization.

108389232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 108389232 is about 10411.0149361145. The cubic root of 108389232 is about 476.7917290204.

The spelling of 108389232 in words is "one hundred eight million, three hundred eighty-nine thousand, two hundred thirty-two".