108309424 has 40 divisors (see below), whose sum is σ = 223232240. Its totient is φ = 50761728.

The previous prime is 108309419. The next prime is 108309437. The reversal of 108309424 is 424903801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27652 + ... + 31324.

It is an arithmetic number, because the mean of its divisors is an integer number (5580806).

Almost surely, 2^108309424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108309424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111616120).

108309424 is an abundant number, since it is smaller than the sum of its proper divisors (114922816).

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

108309424 is a wasteful number, since it uses less digits than its factorization.

108309424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3791 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 108309424 is about 10407.1813667294. The cubic root of 108309424 is about 476.6746782251.

The spelling of 108309424 in words is "one hundred eight million, three hundred nine thousand, four hundred twenty-four".