392381113 has 4 divisors (see below), whose sum is σ = 392426740. Its totient is φ = 392335488.

The previous prime is 392381083. The next prime is 392381117. The reversal of 392381113 is 311183293.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 133911184 + 258469929 = 11572^2 + 16077^2 .

It is a cyclic number.

It is not a de Polignac number, because 392381113 - 2²⁵ = 358826681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392381117) 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, 5568 + ... + 28561.

It is an arithmetic number, because the mean of its divisors is an integer number (98106685).

Almost surely, 2^392381113 is an apocalyptic number.

It is an amenable number.

392381113 is a deficient number, since it is larger than the sum of its proper divisors (45627).

392381113 is a wasteful number, since it uses less digits than its factorization.

392381113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45626.

The product of its digits is 3888, while the sum is 31.

The square root of 392381113 is about 19808.6120917140. The cubic root of 392381113 is about 732.0982435798.

The spelling of 392381113 in words is "three hundred ninety-two million, three hundred eighty-one thousand, one hundred thirteen".