320046065 has 8 divisors (see below), whose sum is σ = 391301928. Its totient is φ = 251205760.

The previous prime is 320046043. The next prime is 320046079. The reversal of 320046065 is 560640023.

It can be written as a sum of positive squares in 4 ways, for example, as 94926049 + 225120016 = 9743^2 + 15004^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320046065 - 2¹⁴ = 320029681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603596 + ... + 604125.

It is an arithmetic number, because the mean of its divisors is an integer number (48912741).

Almost surely, 2^320046065 is an apocalyptic number.

It is an amenable number.

320046065 is a deficient number, since it is larger than the sum of its proper divisors (71255863).

320046065 is a wasteful number, since it uses less digits than its factorization.

320046065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207779.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 320046065 is about 17889.8313295570. The cubic root of 320046065 is about 684.0231979467.

Adding to 320046065 its reverse (560640023), we get a palindrome (880686088).

The spelling of 320046065 in words is "three hundred twenty million, forty-six thousand, sixty-five".