320986271 has 8 divisors (see below), whose sum is σ = 328819920. Its totient is φ = 313169472.

The previous prime is 320986261. The next prime is 320986273. The reversal of 320986271 is 172689023.

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 320986271 - 2⁶ = 320986207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320986273) 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, 39875 + ... + 47243.

It is an arithmetic number, because the mean of its divisors is an integer number (41102490).

Almost surely, 2^320986271 is an apocalyptic number.

320986271 is a deficient number, since it is larger than the sum of its proper divisors (7833649).

320986271 is a wasteful number, since it uses less digits than its factorization.

320986271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 320986271 is about 17916.0897240441. The cubic root of 320986271 is about 684.6923661689.

The spelling of 320986271 in words is "three hundred twenty million, nine hundred eighty-six thousand, two hundred seventy-one".