2306321 has 8 divisors (see below), whose sum is σ = 2400384. Its totient is φ = 2214000.

The previous prime is 2306309. The next prime is 2306327. The reversal of 2306321 is 1236032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2306321 is a prime.

It is a super-4 number, since 4×2306321⁴ (a number of 27 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2306321.

It is not an unprimeable number, because it can be changed into a prime (2306327) 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, 2696 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (300048).

2^2306321 is an apocalyptic number.

It is an amenable number.

2306321 is a deficient number, since it is larger than the sum of its proper divisors (94063).

2306321 is an equidigital number, since it uses as much as digits as its factorization.

2306321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2306321 is about 1518.6576309360. The cubic root of 2306321 is about 132.1214256106.

The spelling of 2306321 in words is "two million, three hundred six thousand, three hundred twenty-one".