399001113 has 32 divisors (see below), whose sum is σ = 684134400. Its totient is φ = 225106128.

The previous prime is 399001103. The next prime is 399001117. The reversal of 399001113 is 311100993.

It is not a de Polignac number, because 399001113 - 2¹⁰ = 399000089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (399001117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1570 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (21379200).

Almost surely, 2^399001113 is an apocalyptic number.

It is an amenable number.

399001113 is a deficient number, since it is larger than the sum of its proper divisors (285133287).

399001113 is a wasteful number, since it uses less digits than its factorization.

399001113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26818 (or 26812 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 399001113 is about 19975.0122152654. The cubic root of 399001113 is about 736.1924666240.

The spelling of 399001113 in words is "three hundred ninety-nine million, one thousand, one hundred thirteen".