394653794 has 8 divisors (see below), whose sum is σ = 603150300. Its totient is φ = 193603696.

The previous prime is 394653739. The next prime is 394653799. The reversal of 394653794 is 497356493.

It can be written as a sum of positive squares in 2 ways, for example, as 386319025 + 8334769 = 19655^2 + 2887^2 .

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 (394653799) 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, 1861469 + ... + 1861680.

Almost surely, 2^394653794 is an apocalyptic number.

394653794 is a deficient number, since it is larger than the sum of its proper divisors (208496506).

394653794 is a wasteful number, since it uses less digits than its factorization.

394653794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723204.

The product of its digits is 2449440, while the sum is 50.

The square root of 394653794 is about 19865.8952478865. The cubic root of 394653794 is about 733.5089670691.

The spelling of 394653794 in words is "three hundred ninety-four million, six hundred fifty-three thousand, seven hundred ninety-four".