108228736 has 128 divisors (see below), whose sum is σ = 274176000. Its totient is φ = 41333760.

The previous prime is 108228709. The next prime is 108228787. The reversal of 108228736 is 637822801.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 108228695 and 108228704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778555 + ... + 778693.

It is an arithmetic number, because the mean of its divisors is an integer number (2142000).

Almost surely, 2^108228736 is an apocalyptic number.

108228736 is a gapful number since it is divisible by the number (16) 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 108228736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137088000).

108228736 is an abundant number, since it is smaller than the sum of its proper divisors (165947264).

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

108228736 is a wasteful number, since it uses less digits than its factorization.

108228736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 108228736 is about 10403.3040905282. The cubic root of 108228736 is about 476.5562783049.

The spelling of 108228736 in words is "one hundred eight million, two hundred twenty-eight thousand, seven hundred thirty-six".