320877 has 12 divisors (see below), whose sum is σ = 469404. Its totient is φ = 211200.

The previous prime is 320867. The next prime is 320899. The reversal of 320877 is 778023.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 84681 = 486^2 + 291^2 .

It is not a de Polignac number, because 320877 - 2⁴ = 320861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320877.

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 320877.

It is not an unprimeable number, because it can be changed into a prime (320867) 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 11 ways as a sum of consecutive naturals, for example, 733 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (39117).

2³²⁰⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

320877 is a deficient number, since it is larger than the sum of its proper divisors (148527).

320877 is a wasteful number, since it uses less digits than its factorization.

320877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 320877 is about 566.4600603750. The cubic root of 320877 is about 68.4614662419.

The spelling of 320877 in words is "three hundred twenty thousand, eight hundred seventy-seven".