399341117 has 4 divisors (see below), whose sum is σ = 456389856. Its totient is φ = 342292380.

The previous prime is 399341083. The next prime is 399341153. The reversal of 399341117 is 711143993.

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 399341117 - 2⁶ = 399341053 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 (399341177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28524359 + ... + 28524372.

It is an arithmetic number, because the mean of its divisors is an integer number (114097464).

Almost surely, 2^399341117 is an apocalyptic number.

It is an amenable number.

399341117 is a deficient number, since it is larger than the sum of its proper divisors (57048739).

399341117 is an equidigital number, since it uses as much as digits as its factorization.

399341117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57048738.

The product of its digits is 20412, while the sum is 38.

The square root of 399341117 is about 19983.5211361762. The cubic root of 399341117 is about 736.4015197735.

The spelling of 399341117 in words is "three hundred ninety-nine million, three hundred forty-one thousand, one hundred seventeen".