394673208746 has 4 divisors (see below), whose sum is σ = 592009813122. Its totient is φ = 197336604372.

The previous prime is 394673208689. The next prime is 394673208781. The reversal of 394673208746 is 647802376493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 322352553121 + 72320655625 = 567761^2 + 268925^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98668302185 + ... + 98668302188.

Almost surely, 2^394673208746 is an apocalyptic number.

394673208746 is a deficient number, since it is larger than the sum of its proper divisors (197336604376).

394673208746 is a wasteful number, since it uses less digits than its factorization.

394673208746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197336604375.

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 394673208746 in words is "three hundred ninety-four billion, six hundred seventy-three million, two hundred eight thousand, seven hundred forty-six".