394323933 has 16 divisors (see below), whose sum is σ = 546955200. Its totient is φ = 252389760.

The previous prime is 394323931. The next prime is 394323971. The reversal of 394323933 is 339323493.

It is not a de Polignac number, because 394323933 - 2¹ = 394323931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394323891 and 394323900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394323931) 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 15 ways as a sum of consecutive naturals, for example, 2913 + ... + 28233.

It is an arithmetic number, because the mean of its divisors is an integer number (34184700).

Almost surely, 2^394323933 is an apocalyptic number.

It is an amenable number.

394323933 is a deficient number, since it is larger than the sum of its proper divisors (152631267).

394323933 is a wasteful number, since it uses less digits than its factorization.

394323933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25532.

The product of its digits is 157464, while the sum is 39.

The square root of 394323933 is about 19857.5913191908. The cubic root of 394323933 is about 733.3045487095.

It can be divided in two parts, 39432 and 3933, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 394323933 in words is "three hundred ninety-four million, three hundred twenty-three thousand, nine hundred thirty-three".