394730347 has 16 divisors (see below), whose sum is σ = 463841280. Its totient is φ = 332164800.

The previous prime is 394730317. The next prime is 394730363. The reversal of 394730347 is 743037493.

It is a de Polignac number, because none of the positive numbers 2^k-394730347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394730317) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 17322 + ... + 33007.

It is an arithmetic number, because the mean of its divisors is an integer number (28990080).

Almost surely, 2^394730347 is an apocalyptic number.

394730347 is a deficient number, since it is larger than the sum of its proper divisors (69110933).

394730347 is a wasteful number, since it uses less digits than its factorization.

394730347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50394.

The product of its (nonzero) digits is 190512, while the sum is 40.

The square root of 394730347 is about 19867.8218987387. The cubic root of 394730347 is about 733.5563914889.

The spelling of 394730347 in words is "three hundred ninety-four million, seven hundred thirty thousand, three hundred forty-seven".