108920424 has 32 divisors (see below), whose sum is σ = 273738240. Its totient is φ = 36115200.

The previous prime is 108920417. The next prime is 108920429. The reversal of 108920424 is 424029801.

It is a junction number, because it is equal to n+sod(n) for n = 108920391 and 108920400.

It is not an unprimeable number, because it can be changed into a prime (108920429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7297 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (8554320).

Almost surely, 2^108920424 is an apocalyptic number.

It is an amenable number.

108920424 is an abundant number, since it is smaller than the sum of its proper divisors (164817816).

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

108920424 is a wasteful number, since it uses less digits than its factorization.

108920424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23961 (or 23957 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 108920424 is about 10436.4948138731. The cubic root of 108920424 is about 477.5693442048.

The spelling of 108920424 in words is "one hundred eight million, nine hundred twenty thousand, four hundred twenty-four".