108355493 has 4 divisors (see below), whose sum is σ = 108376320. Its totient is φ = 108334668.

The previous prime is 108355487. The next prime is 108355517. The reversal of 108355493 is 394553801.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 108355493 - 2⁸ = 108355237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108355193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796 + ... + 15482.

It is an arithmetic number, because the mean of its divisors is an integer number (27094080).

Almost surely, 2^108355493 is an apocalyptic number.

It is an amenable number.

108355493 is a deficient number, since it is larger than the sum of its proper divisors (20827).

108355493 is a wasteful number, since it uses less digits than its factorization.

108355493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20826.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 108355493 is about 10409.3944588530. The cubic root of 108355493 is about 476.7422525633.

The spelling of 108355493 in words is "one hundred eight million, three hundred fifty-five thousand, four hundred ninety-three".