108424397 has 4 divisors (see below), whose sum is σ = 108992256. Its totient is φ = 107856540.

The previous prime is 108424363. The next prime is 108424399. The reversal of 108424397 is 793424801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793424801 = 13 ⋅61032677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108424397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108424397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108424399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283643 + ... + 284024.

It is an arithmetic number, because the mean of its divisors is an integer number (27248064).

Almost surely, 2^108424397 is an apocalyptic number.

It is an amenable number.

108424397 is a deficient number, since it is larger than the sum of its proper divisors (567859).

108424397 is an equidigital number, since it uses as much as digits as its factorization.

108424397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567858.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 108424397 is about 10412.7036354638. The cubic root of 108424397 is about 476.8432857048.

The spelling of 108424397 in words is "one hundred eight million, four hundred twenty-four thousand, three hundred ninety-seven".