394740206 has 8 divisors (see below), whose sum is σ = 676697520. Its totient is φ = 169174368.

The previous prime is 394740193. The next prime is 394740209. The reversal of 394740206 is 602047493.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394740209) 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, 14097851 + ... + 14097878.

It is an arithmetic number, because the mean of its divisors is an integer number (84587190).

Almost surely, 2^394740206 is an apocalyptic number.

394740206 is a deficient number, since it is larger than the sum of its proper divisors (281957314).

394740206 is a wasteful number, since it uses less digits than its factorization.

394740206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28195738.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 394740206 is about 19868.0700119564. The cubic root of 394740206 is about 733.5624986726.

Adding to 394740206 its reverse (602047493), we get a palindrome (996787699).

The spelling of 394740206 in words is "three hundred ninety-four million, seven hundred forty thousand, two hundred six".