394679223 has 10 divisors (see below), whose sum is σ = 589582664. Its totient is φ = 263119428.

The previous prime is 394679203. The next prime is 394679227. The reversal of 394679223 is 322976493.

It is not a de Polignac number, because 394679223 - 2¹⁷ = 394548151 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 (394679227) 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 9 ways as a sum of consecutive naturals, for example, 2436211 + ... + 2436372.

Almost surely, 2^394679223 is an apocalyptic number.

394679223 is a deficient number, since it is larger than the sum of its proper divisors (194903441).

394679223 is an equidigital number, since it uses as much as digits as its factorization.

394679223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872595 (or 4872586 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 394679223 is about 19866.5352540396. The cubic root of 394679223 is about 733.5247209604.

The spelling of 394679223 in words is "three hundred ninety-four million, six hundred seventy-nine thousand, two hundred twenty-three".