108405900 has 108 divisors (see below), whose sum is σ = 354633552. Its totient is φ = 27646080.

The previous prime is 108405883. The next prime is 108405901. The reversal of 108405900 is 9504801.

It is not an unprimeable number, because it can be changed into a prime (108405901) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18082 + ... + 23318.

It is an arithmetic number, because the mean of its divisors is an integer number (3283644).

Almost surely, 2^108405900 is an apocalyptic number.

108405900 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 108405900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177316776).

108405900 is an abundant number, since it is smaller than the sum of its proper divisors (246227652).

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

108405900 is a wasteful number, since it uses less digits than its factorization.

108405900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 5270 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 108405900 is about 10411.8154036652. The cubic root of 108405900 is about 476.8161679708.

The spelling of 108405900 in words is "one hundred eight million, four hundred five thousand, nine hundred".