394050039 has 8 divisors (see below), whose sum is σ = 525566832. Its totient is φ = 262616640.

The previous prime is 394050023. The next prime is 394050073. The reversal of 394050039 is 930050493.

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

It is not a de Polignac number, because 394050039 - 2⁴ = 394050023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394049991 and 394050009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394050739) 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, 8832 + ... + 29429.

It is an arithmetic number, because the mean of its divisors is an integer number (65695854).

Almost surely, 2^394050039 is an apocalyptic number.

394050039 is a deficient number, since it is larger than the sum of its proper divisors (131516793).

394050039 is a wasteful number, since it uses less digits than its factorization.

394050039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41697.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 394050039 is about 19850.6936654617. The cubic root of 394050039 is about 733.1347270480.

The spelling of 394050039 in words is "three hundred ninety-four million, fifty thousand, thirty-nine".