394206928926 has 64 divisors (see below), whose sum is σ = 870604277760. Its totient is φ = 118449377280.

The previous prime is 394206928903. The next prime is 394206928961. The reversal of 394206928926 is 629829602493.

It is a self number, because there is not a number n which added to its sum of digits gives 394206928926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335916 + ... + 949343.

It is an arithmetic number, because the mean of its divisors is an integer number (13603191840).

Almost surely, 2^394206928926 is an apocalyptic number.

394206928926 is an abundant number, since it is smaller than the sum of its proper divisors (476397348834).

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

394206928926 is a wasteful number, since it uses less digits than its factorization.

394206928926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285409.

The product of its (nonzero) digits is 20155392, while the sum is 60.

The spelling of 394206928926 in words is "three hundred ninety-four billion, two hundred six million, nine hundred twenty-eight thousand, nine hundred twenty-six".