392990097 has 4 divisors (see below), whose sum is σ = 523986800. Its totient is φ = 261993396.

The previous prime is 392990089. The next prime is 392990099. The reversal of 392990097 is 790099293.

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.

It is not a de Polignac number, because 392990097 - 2³ = 392990089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392990099) 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, 65498347 + ... + 65498352.

It is an arithmetic number, because the mean of its divisors is an integer number (130996700).

Almost surely, 2^392990097 is an apocalyptic number.

It is an amenable number.

392990097 is a deficient number, since it is larger than the sum of its proper divisors (130996703).

392990097 is a wasteful number, since it uses less digits than its factorization.

392990097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130996702.

The product of its (nonzero) digits is 275562, while the sum is 48.

The square root of 392990097 is about 19823.9778298908. The cubic root of 392990097 is about 732.4767919278.

The spelling of 392990097 in words is "three hundred ninety-two million, nine hundred ninety thousand, ninety-seven".