320430497 has 8 divisors (see below), whose sum is σ = 338036160. Its totient is φ = 302898960.

The previous prime is 320430491. The next prime is 320430529. The reversal of 320430497 is 794034023.

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 320430497 - 2²⁴ = 303653281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320430491) 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, 9533 + ... + 27050.

It is an arithmetic number, because the mean of its divisors is an integer number (42254520).

Almost surely, 2^320430497 is an apocalyptic number.

It is an amenable number.

320430497 is a deficient number, since it is larger than the sum of its proper divisors (17605663).

320430497 is a wasteful number, since it uses less digits than its factorization.

320430497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37063.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 320430497 is about 17900.5725327432. The cubic root of 320430497 is about 684.2969660254.

The spelling of 320430497 in words is "three hundred twenty million, four hundred thirty thousand, four hundred ninety-seven".