320260465 has 8 divisors (see below), whose sum is σ = 439214400. Its totient is φ = 219607152.

The previous prime is 320260463. The next prime is 320260489. The reversal of 320260465 is 564062023.

It is a happy number.

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 320260465 - 2¹ = 320260463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320260463) 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, 4575115 + ... + 4575184.

It is an arithmetic number, because the mean of its divisors is an integer number (54901800).

Almost surely, 2^320260465 is an apocalyptic number.

320260465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320260465 is a deficient number, since it is larger than the sum of its proper divisors (118953935).

320260465 is an equidigital number, since it uses as much as digits as its factorization.

320260465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150311.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 320260465 is about 17895.8225572339. The cubic root of 320260465 is about 684.1759070447.

The spelling of 320260465 in words is "three hundred twenty million, two hundred sixty thousand, four hundred sixty-five".