394703039 has 8 divisors (see below), whose sum is σ = 408207360. Its totient is φ = 381411576.

The previous prime is 394703027. The next prime is 394703041. The reversal of 394703039 is 930307493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394703039 - 2⁸ = 394702783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394702993 and 394703011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394703339) 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 7 ways as a sum of consecutive naturals, for example, 49439 + ... + 56864.

It is an arithmetic number, because the mean of its divisors is an integer number (51025920).

Almost surely, 2^394703039 is an apocalyptic number.

394703039 is a deficient number, since it is larger than the sum of its proper divisors (13504321).

394703039 is a wasteful number, since it uses less digits than its factorization.

394703039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106429.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 394703039 is about 19867.1346449356. The cubic root of 394703039 is about 733.5394749449.

The spelling of 394703039 in words is "three hundred ninety-four million, seven hundred three thousand, thirty-nine".