394714309897 has 8 divisors (see below), whose sum is σ = 415497852000. Its totient is φ = 373931678304.

The previous prime is 394714309883. The next prime is 394714309903. The reversal of 394714309897 is 798903417493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394714309897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394714309597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775638 + ... + 1179424.

It is an arithmetic number, because the mean of its divisors is an integer number (51937231500).

Almost surely, 2^394714309897 is an apocalyptic number.

It is an amenable number.

394714309897 is a deficient number, since it is larger than the sum of its proper divisors (20783542103).

394714309897 is a wasteful number, since it uses less digits than its factorization.

394714309897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455255.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 394714309897 in words is "three hundred ninety-four billion, seven hundred fourteen million, three hundred nine thousand, eight hundred ninety-seven".