108985940 has 48 divisors (see below), whose sum is σ = 263088000. Its totient is φ = 37149312.

The previous prime is 108985897. The next prime is 108985949. The reversal of 108985940 is 49589801.

108985940 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

108985940 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 108985891 and 108985900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108985949) 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, 22886 + ... + 27234.

It is an arithmetic number, because the mean of its divisors is an integer number (5481000).

Almost surely, 2^108985940 is an apocalyptic number.

108985940 is a gapful number since it is divisible by the number (10) 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 108985940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131544000).

108985940 is an abundant number, since it is smaller than the sum of its proper divisors (154102060).

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

108985940 is a wasteful number, since it uses less digits than its factorization.

108985940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4542 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 108985940 is about 10439.6331353166. The cubic root of 108985940 is about 477.6650781996.

The spelling of 108985940 in words is "one hundred eight million, nine hundred eighty-five thousand, nine hundred forty".