320579497 has 8 divisors (see below), whose sum is σ = 382306176. Its totient is φ = 262835232.

The previous prime is 320579431. The next prime is 320579503. The reversal of 320579497 is 794975023.

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 320579497 - 2¹⁵ = 320546729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320579407) 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, 995428 + ... + 995749.

It is an arithmetic number, because the mean of its divisors is an integer number (47788272).

Almost surely, 2^320579497 is an apocalyptic number.

It is an amenable number.

320579497 is a deficient number, since it is larger than the sum of its proper divisors (61726679).

320579497 is a wasteful number, since it uses less digits than its factorization.

320579497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991207.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 320579497 is about 17904.7339270931. The cubic root of 320579497 is about 684.4030154903.

The spelling of 320579497 in words is "three hundred twenty million, five hundred seventy-nine thousand, four hundred ninety-seven".