394663234 has 8 divisors (see below), whose sum is σ = 676565568. Its totient is φ = 169141380.

The previous prime is 394663169. The next prime is 394663237. The reversal of 394663234 is 432366493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (394663237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14095102 + ... + 14095129.

It is an arithmetic number, because the mean of its divisors is an integer number (84570696).

Almost surely, 2^394663234 is an apocalyptic number.

394663234 is a deficient number, since it is larger than the sum of its proper divisors (281902334).

394663234 is a wasteful number, since it uses less digits than its factorization.

394663234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28190240.

The product of its digits is 279936, while the sum is 40.

The square root of 394663234 is about 19866.1328395841. The cubic root of 394663234 is about 733.5148154604.

The spelling of 394663234 in words is "three hundred ninety-four million, six hundred sixty-three thousand, two hundred thirty-four".