392331121 has 8 divisors (see below), whose sum is σ = 482869184. Its totient is φ = 310415760.

The previous prime is 392331109. The next prime is 392331187. The reversal of 392331121 is 121133293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 392331121 - 2¹¹ = 392329073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392331721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155575 + ... + 2155756.

It is an arithmetic number, because the mean of its divisors is an integer number (60358648).

Almost surely, 2^392331121 is an apocalyptic number.

It is an amenable number.

392331121 is a deficient number, since it is larger than the sum of its proper divisors (90538063).

392331121 is a wasteful number, since it uses less digits than its factorization.

392331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311351.

The product of its digits is 972, while the sum is 25.

The square root of 392331121 is about 19807.3501761341. The cubic root of 392331121 is about 732.0671508415.

The spelling of 392331121 in words is "three hundred ninety-two million, three hundred thirty-one thousand, one hundred twenty-one".