394372853 has 8 divisors (see below), whose sum is σ = 453583872. Its totient is φ = 335879856.

The previous prime is 394372831. The next prime is 394372859. The reversal of 394372853 is 358273493.

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 394372853 - 2²⁰ = 393324277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394372859) 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, 178325 + ... + 180522.

It is an arithmetic number, because the mean of its divisors is an integer number (56697984).

Almost surely, 2^394372853 is an apocalyptic number.

It is an amenable number.

394372853 is a deficient number, since it is larger than the sum of its proper divisors (59211019).

394372853 is a wasteful number, since it uses less digits than its factorization.

394372853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359011.

The product of its digits is 544320, while the sum is 44.

The square root of 394372853 is about 19858.8230517319. The cubic root of 394372853 is about 733.3348721501.

The spelling of 394372853 in words is "three hundred ninety-four million, three hundred seventy-two thousand, eight hundred fifty-three".