394257352 has 48 divisors (see below), whose sum is σ = 786366000. Its totient is φ = 185244576.

The previous prime is 394257343. The next prime is 394257359. The reversal of 394257352 is 253752493.

It is not an unprimeable number, because it can be changed into a prime (394257359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248899 + ... + 250477.

It is an arithmetic number, because the mean of its divisors is an integer number (16382625).

Almost surely, 2^394257352 is an apocalyptic number.

It is an amenable number.

394257352 is a deficient number, since it is larger than the sum of its proper divisors (392108648).

394257352 is a wasteful number, since it uses less digits than its factorization.

394257352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1663 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 394257352 is about 19855.9147862797. The cubic root of 394257352 is about 733.2632739315.

The spelling of 394257352 in words is "three hundred ninety-four million, two hundred fifty-seven thousand, three hundred fifty-two".