394799117 has 4 divisors (see below), whose sum is σ = 411964320. Its totient is φ = 377633916.

The previous prime is 394799113. The next prime is 394799129. The reversal of 394799117 is 711997493.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 394799117 - 2² = 394799113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394799113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8582567 + ... + 8582612.

It is an arithmetic number, because the mean of its divisors is an integer number (102991080).

Almost surely, 2^394799117 is an apocalyptic number.

It is an amenable number.

394799117 is a deficient number, since it is larger than the sum of its proper divisors (17165203).

394799117 is a wasteful number, since it uses less digits than its factorization.

394799117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17165202.

The product of its digits is 428652, while the sum is 50.

The square root of 394799117 is about 19869.5525113174. The cubic root of 394799117 is about 733.5989891290.

The spelling of 394799117 in words is "three hundred ninety-four million, seven hundred ninety-nine thousand, one hundred seventeen".