320468197 has 16 divisors (see below), whose sum is σ = 373190400. Its totient is φ = 269504640.

The previous prime is 320468191. The next prime is 320468209. The reversal of 320468197 is 791864023.

It is a cyclic number.

It is not a de Polignac number, because 320468197 - 2²³ = 312079589 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 (320468191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242304 + ... + 243622.

It is an arithmetic number, because the mean of its divisors is an integer number (23324400).

Almost surely, 2^320468197 is an apocalyptic number.

It is an amenable number.

320468197 is a deficient number, since it is larger than the sum of its proper divisors (52722203).

320468197 is a wasteful number, since it uses less digits than its factorization.

320468197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 320468197 is about 17901.6255407156. The cubic root of 320468197 is about 684.3238017815.

The spelling of 320468197 in words is "three hundred twenty million, four hundred sixty-eight thousand, one hundred ninety-seven".