108621792 has 72 divisors (see below), whose sum is σ = 316461600. Its totient is φ = 35320320.

The previous prime is 108621781. The next prime is 108621809. The reversal of 108621792 is 297126801.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7209 + ... + 16407.

It is an arithmetic number, because the mean of its divisors is an integer number (4395300).

Almost surely, 2^108621792 is an apocalyptic number.

108621792 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 108621792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158230800).

108621792 is an abundant number, since it is smaller than the sum of its proper divisors (207839808).

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

108621792 is a wasteful number, since it uses less digits than its factorization.

108621792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256 (or 9245 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 108621792 is about 10422.1778914006. The cubic root of 108621792 is about 477.1324869645.

The spelling of 108621792 in words is "one hundred eight million, six hundred twenty-one thousand, seven hundred ninety-two".