394283394 has 24 divisors (see below), whose sum is σ = 854979840. Its totient is φ = 131320248.

The previous prime is 394283381. The next prime is 394283399. The reversal of 394283394 is 493382493.

It is not an unprimeable number, because it can be changed into a prime (394283399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15439 + ... + 32045.

It is an arithmetic number, because the mean of its divisors is an integer number (35624160).

Almost surely, 2^394283394 is an apocalyptic number.

394283394 is an abundant number, since it is smaller than the sum of its proper divisors (460696446).

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

394283394 is a wasteful number, since it uses less digits than its factorization.

394283394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17934 (or 17931 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 394283394 is about 19856.5705498205. The cubic root of 394283394 is about 733.2794183962.

Subtracting 394283394 from its reverse (493382493), we obtain a palindrome (99099099).

The spelling of 394283394 in words is "three hundred ninety-four million, two hundred eighty-three thousand, three hundred ninety-four".