394843244 has 24 divisors (see below), whose sum is σ = 699367200. Its totient is φ = 195035904.

The previous prime is 394843223. The next prime is 394843247. The reversal of 394843244 is 442348493.

It is not an unprimeable number, because it can be changed into a prime (394843247) 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, 156497 + ... + 158999.

It is an arithmetic number, because the mean of its divisors is an integer number (29140300).

Almost surely, 2^394843244 is an apocalyptic number.

It is an amenable number.

394843244 is a deficient number, since it is larger than the sum of its proper divisors (304523956).

394843244 is a wasteful number, since it uses less digits than its factorization.

394843244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The square root of 394843244 is about 19870.6628978502. The cubic root of 394843244 is about 733.6263197512.

The spelling of 394843244 in words is "three hundred ninety-four million, eight hundred forty-three thousand, two hundred forty-four".