392974423 has 4 divisors (see below), whose sum is σ = 393781840. Its totient is φ = 392167008.

The previous prime is 392974411. The next prime is 392974433. The reversal of 392974423 is 324479293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324479293 = 389 ⋅834137.

It is a cyclic number.

It is not a de Polignac number, because 392974423 - 2¹⁷ = 392843351 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 392974423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392974433) 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, 402978 + ... + 403951.

It is an arithmetic number, because the mean of its divisors is an integer number (98445460).

Almost surely, 2^392974423 is an apocalyptic number.

392974423 is a deficient number, since it is larger than the sum of its proper divisors (807417).

392974423 is an equidigital number, since it uses as much as digits as its factorization.

392974423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807416.

The product of its digits is 326592, while the sum is 43.

The square root of 392974423 is about 19823.5824966125. The cubic root of 392974423 is about 732.4670537741.

The spelling of 392974423 in words is "three hundred ninety-two million, nine hundred seventy-four thousand, four hundred twenty-three".