394715339827 has 8 divisors (see below), whose sum is σ = 396007073280. Its totient is φ = 393423751560.

The previous prime is 394715339813. The next prime is 394715339831. The reversal of 394715339827 is 728933517493.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 394715339827 - 2¹⁵ = 394715307059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394715337827) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9327238 + ... + 9369460.

It is an arithmetic number, because the mean of its divisors is an integer number (49500884160).

Almost surely, 2^394715339827 is an apocalyptic number.

394715339827 is a deficient number, since it is larger than the sum of its proper divisors (1291733453).

394715339827 is a wasteful number, since it uses less digits than its factorization.

394715339827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72593.

The product of its digits is 34292160, while the sum is 61.

The spelling of 394715339827 in words is "three hundred ninety-four billion, seven hundred fifteen million, three hundred thirty-nine thousand, eight hundred twenty-seven".