108424 has 8 divisors (see below), whose sum is σ = 203310. Its totient is φ = 54208.

The previous prime is 108421. The next prime is 108439. The reversal of 108424 is 424801.

It can be written as a sum of positive squares in only one way, i.e., 79524 + 28900 = 282^2 + 170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (108421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6769 + ... + 6784.

2¹⁰⁸⁴²⁴ is an apocalyptic number.

It is an amenable number.

108424 is a deficient number, since it is larger than the sum of its proper divisors (94886).

108424 is a wasteful number, since it uses less digits than its factorization.

108424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13559 (or 13555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 108424 is about 329.2779980503. The cubic root of 108424 is about 47.6842703711.

The spelling of 108424 in words is "one hundred eight thousand, four hundred twenty-four".