108390393 has 24 divisors (see below), whose sum is σ = 163581600. Its totient is φ = 71718048.

The previous prime is 108390361. The next prime is 108390397. The reversal of 108390393 is 393093801.

It is not a de Polignac number, because 108390393 - 2⁵ = 108390361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108390397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32173 + ... + 35381.

It is an arithmetic number, because the mean of its divisors is an integer number (6815900).

Almost surely, 2^108390393 is an apocalyptic number.

It is an amenable number.

108390393 is a deficient number, since it is larger than the sum of its proper divisors (55191207).

108390393 is an equidigital number, since it uses as much as digits as its factorization.

108390393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 108390393 is about 10411.0706942178. The cubic root of 108390393 is about 476.7934313827.

The spelling of 108390393 in words is "one hundred eight million, three hundred ninety thousand, three hundred ninety-three".