393923296 has 24 divisors (see below), whose sum is σ = 835194024. Its totient is φ = 181810560.

The previous prime is 393923273. The next prime is 393923297. The reversal of 393923296 is 692329393.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393923297) 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, 473050 + ... + 473881.

It is an arithmetic number, because the mean of its divisors is an integer number (34799751).

Almost surely, 2^393923296 is an apocalyptic number.

It is an amenable number.

393923296 is an abundant number, since it is smaller than the sum of its proper divisors (441270728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393923296 is a wasteful number, since it uses less digits than its factorization.

393923296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946954 (or 946946 counting only the distinct ones).

The product of its digits is 472392, while the sum is 46.

The square root of 393923296 is about 19847.5010013855. The cubic root of 393923296 is about 733.0561163391.

The spelling of 393923296 in words is "three hundred ninety-three million, nine hundred twenty-three thousand, two hundred ninety-six".