323861 has 4 divisors (see below), whose sum is σ = 332652. Its totient is φ = 315072.

The previous prime is 323837. The next prime is 323879. The reversal of 323861 is 168323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 286225 + 37636 = 535^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 323861 - 2⁶ = 323797 is a prime.

It is a Duffinian number.

It is a Curzon 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 323861.

It is not an unprimeable number, because it can be changed into a prime (323801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4340 + ... + 4413.

It is an arithmetic number, because the mean of its divisors is an integer number (83163).

2³²³⁸⁶¹ is an apocalyptic number.

It is an amenable number.

323861 is a deficient number, since it is larger than the sum of its proper divisors (8791).

323861 is an equidigital number, since it uses as much as digits as its factorization.

323861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its digits is 864, while the sum is 23.

The square root of 323861 is about 569.0878666779. The cubic root of 323861 is about 68.6730312174.

The spelling of 323861 in words is "three hundred twenty-three thousand, eight hundred sixty-one".