394381712 has 20 divisors (see below), whose sum is σ = 774878976. Its totient is φ = 194412960.

The previous prime is 394381711. The next prime is 394381723. The reversal of 394381712 is 217183493.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (394381711) 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, 172448 + ... + 174719.

Almost surely, 2^394381712 is an apocalyptic number.

It is an amenable number.

394381712 is a deficient number, since it is larger than the sum of its proper divisors (380497264).

394381712 is a wasteful number, since it uses less digits than its factorization.

394381712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347246 (or 347240 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 394381712 is about 19859.0460999515. The cubic root of 394381712 is about 733.3403632017.

The spelling of 394381712 in words is "three hundred ninety-four million, three hundred eighty-one thousand, seven hundred twelve".