394274674 has 8 divisors (see below), whose sum is σ = 591496668. Its totient is φ = 197109120.

The previous prime is 394274663. The next prime is 394274677. The reversal of 394274674 is 476472493.

It can be written as a sum of positive squares in 2 ways, for example, as 297390025 + 96884649 = 17245^2 + 9843^2 .

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 (394274677) 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 3 ways as a sum of consecutive naturals, for example, 17694 + ... + 33190.

Almost surely, 2^394274674 is an apocalyptic number.

394274674 is a deficient number, since it is larger than the sum of its proper divisors (197221994).

394274674 is a wasteful number, since it uses less digits than its factorization.

394274674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28220.

The product of its digits is 1016064, while the sum is 46.

The square root of 394274674 is about 19856.3509739327. The cubic root of 394274674 is about 733.2740126028.

The spelling of 394274674 in words is "three hundred ninety-four million, two hundred seventy-four thousand, six hundred seventy-four".