394663235 has 16 divisors (see below), whose sum is σ = 479035296. Its totient is φ = 312119808.

The previous prime is 394663169. The next prime is 394663237. The reversal of 394663235 is 532366493.

It is a cyclic number.

It is not a de Polignac number, because 394663235 - 2¹⁶ = 394597699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394663192 and 394663201.

It is not an unprimeable number, because it can be changed into a prime (394663237) 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 15 ways as a sum of consecutive naturals, for example, 308417 + ... + 309693.

It is an arithmetic number, because the mean of its divisors is an integer number (29939706).

Almost surely, 2^394663235 is an apocalyptic number.

394663235 is a deficient number, since it is larger than the sum of its proper divisors (84372061).

394663235 is a wasteful number, since it uses less digits than its factorization.

394663235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its digits is 349920, while the sum is 41.

The square root of 394663235 is about 19866.1328647525. The cubic root of 394663235 is about 733.5148160799.

The spelling of 394663235 in words is "three hundred ninety-four million, six hundred sixty-three thousand, two hundred thirty-five".