394605980286 has 32 divisors (see below), whose sum is σ = 917243930880. Its totient is φ = 110833640256.

The previous prime is 394605980269. The next prime is 394605980297. The reversal of 394605980286 is 682089506493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79619391 + ... + 79624346.

It is an arithmetic number, because the mean of its divisors is an integer number (28663872840).

Almost surely, 2^394605980286 is an apocalyptic number.

394605980286 is an abundant number, since it is smaller than the sum of its proper divisors (522637950594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394605980286 is a wasteful number, since it uses less digits than its factorization.

394605980286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159243808.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 394605980286 in words is "three hundred ninety-four billion, six hundred five million, nine hundred eighty thousand, two hundred eighty-six".