394149326806 has 8 divisors (see below), whose sum is σ = 626001872040. Its totient is φ = 185482036128.

The previous prime is 394149326731. The next prime is 394149326807. The reversal of 394149326806 is 608623941493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394149326807) 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, 5796313596 + ... + 5796313663.

It is an arithmetic number, because the mean of its divisors is an integer number (78250234005).

Almost surely, 2^394149326806 is an apocalyptic number.

394149326806 is a deficient number, since it is larger than the sum of its proper divisors (231852545234).

394149326806 is a wasteful number, since it uses less digits than its factorization.

394149326806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592627278.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 394149326806 in words is "three hundred ninety-four billion, one hundred forty-nine million, three hundred twenty-six thousand, eight hundred six".