394857392341 has 4 divisors (see below), whose sum is σ = 397221808032. Its totient is φ = 392492976652.

The previous prime is 394857392329. The next prime is 394857392351. The reversal of 394857392341 is 143293758493.

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 394857392341 - 2⁷ = 394857392213 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 (394857392351) 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, 1182207595 + ... + 1182207928.

It is an arithmetic number, because the mean of its divisors is an integer number (99305452008).

Almost surely, 2^394857392341 is an apocalyptic number.

It is an amenable number.

394857392341 is a deficient number, since it is larger than the sum of its proper divisors (2364415691).

394857392341 is a wasteful number, since it uses less digits than its factorization.

394857392341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364415690.

The product of its digits is 19595520, while the sum is 58.

The spelling of 394857392341 in words is "three hundred ninety-four billion, eight hundred fifty-seven million, three hundred ninety-two thousand, three hundred forty-one".