393492113 has 4 divisors (see below), whose sum is σ = 449705280. Its totient is φ = 337278948.

The previous prime is 393492107. The next prime is 393492157. The reversal of 393492113 is 311294393.

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.

It is a cyclic number.

It is not a de Polignac number, because 393492113 - 2⁶ = 393492049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393492313) 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, 28106573 + ... + 28106586.

It is an arithmetic number, because the mean of its divisors is an integer number (112426320).

Almost surely, 2^393492113 is an apocalyptic number.

It is an amenable number.

393492113 is a deficient number, since it is larger than the sum of its proper divisors (56213167).

393492113 is an equidigital number, since it uses as much as digits as its factorization.

393492113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56213166.

The product of its digits is 17496, while the sum is 35.

The square root of 393492113 is about 19836.6356270412. The cubic root of 393492113 is about 732.7885543247.

The spelling of 393492113 in words is "three hundred ninety-three million, four hundred ninety-two thousand, one hundred thirteen".