392247113 has 4 divisors (see below), whose sum is σ = 394844928. Its totient is φ = 389649300.

The previous prime is 392247059. The next prime is 392247133. The reversal of 392247113 is 311742293.

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 392247113 - 2⁶ = 392247049 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 392247113.

It is not an unprimeable number, because it can be changed into a prime (392247133) 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, 1298681 + ... + 1298982.

It is an arithmetic number, because the mean of its divisors is an integer number (98711232).

Almost surely, 2^392247113 is an apocalyptic number.

It is an amenable number.

392247113 is a deficient number, since it is larger than the sum of its proper divisors (2597815).

392247113 is a wasteful number, since it uses less digits than its factorization.

392247113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597814.

The product of its digits is 9072, while the sum is 32.

The square root of 392247113 is about 19805.2294356819. The cubic root of 392247113 is about 732.0148957573.

The spelling of 392247113 in words is "three hundred ninety-two million, two hundred forty-seven thousand, one hundred thirteen".