320607 has 18 divisors (see below), whose sum is σ = 539448. Its totient is φ = 182952.

The previous prime is 320591. The next prime is 320609. The reversal of 320607 is 706023.

It is not a de Polignac number, because 320607 - 2⁴ = 320591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320607.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320607.

It is not an unprimeable number, because it can be changed into a prime (320609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 78 + ... + 804.

2³²⁰⁶⁰⁷ is an apocalyptic number.

320607 is a deficient number, since it is larger than the sum of its proper divisors (218841).

320607 is a wasteful number, since it uses less digits than its factorization.

320607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 320607 is about 566.2216880339. The cubic root of 320607 is about 68.4422586921.

The spelling of 320607 in words is "three hundred twenty thousand, six hundred seven".