320214491 has 8 divisors (see below), whose sum is σ = 331475520. Its totient is φ = 308968128.

The previous prime is 320214457. The next prime is 320214497. The reversal of 320214491 is 194412023.

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 320214491 - 2¹⁴ = 320198107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320214491.

It is not an unprimeable number, because it can be changed into a prime (320214497) 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, 59390 + ... + 64556.

It is an arithmetic number, because the mean of its divisors is an integer number (41434440).

Almost surely, 2^320214491 is an apocalyptic number.

320214491 is a deficient number, since it is larger than the sum of its proper divisors (11261029).

320214491 is a wasteful number, since it uses less digits than its factorization.

320214491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 320214491 is about 17894.5380214187. The cubic root of 320214491 is about 684.1431672263.

The spelling of 320214491 in words is "three hundred twenty million, two hundred fourteen thousand, four hundred ninety-one".