394784452 has 6 divisors (see below), whose sum is σ = 690872798. Its totient is φ = 197392224.

The previous prime is 394784441. The next prime is 394784479. The reversal of 394784452 is 254487493.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 317766276 + 77018176 = 17826^2 + 8776^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49348053 + ... + 49348060.

Almost surely, 2^394784452 is an apocalyptic number.

It is an amenable number.

394784452 is a deficient number, since it is larger than the sum of its proper divisors (296088346).

394784452 is a wasteful number, since it uses less digits than its factorization.

394784452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98696117 (or 98696115 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 394784452 is about 19869.1834759257. The cubic root of 394784452 is about 733.5899057226.

The spelling of 394784452 in words is "three hundred ninety-four million, seven hundred eighty-four thousand, four hundred fifty-two".