939792397 has 4 divisors (see below), whose sum is σ = 980652960. Its totient is φ = 898931836.

The previous prime is 939792377. The next prime is 939792407. The reversal of 939792397 is 793297939.

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 939792397 - 2²⁷ = 805574669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939792377) 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, 20430247 + ... + 20430292.

It is an arithmetic number, because the mean of its divisors is an integer number (245163240).

Almost surely, 2^939792397 is an apocalyptic number.

It is an amenable number.

939792397 is a deficient number, since it is larger than the sum of its proper divisors (40860563).

939792397 is a wasteful number, since it uses less digits than its factorization.

939792397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860562.

The product of its digits is 5786802, while the sum is 58.

The square root of 939792397 is about 30656.0336149346. The cubic root of 939792397 is about 979.5139881524.

The spelling of 939792397 in words is "nine hundred thirty-nine million, seven hundred ninety-two thousand, three hundred ninety-seven".