320677 has 8 divisors (see below), whose sum is σ = 372992. Its totient is φ = 270000.

The previous prime is 320669. The next prime is 320687. The reversal of 320677 is 776023.

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 320677 - 2³ = 320669 is a prime.

It is a Duffinian number.

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 320677.

It is not an unprimeable number, because it can be changed into a prime (320627) 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, 52 + ... + 802.

It is an arithmetic number, because the mean of its divisors is an integer number (46624).

2³²⁰⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

320677 is a deficient number, since it is larger than the sum of its proper divisors (52315).

320677 is an equidigital number, since it uses as much as digits as its factorization.

320677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 320677 is about 566.2834979054. The cubic root of 320677 is about 68.4472394624.

The spelling of 320677 in words is "three hundred twenty thousand, six hundred seventy-seven".