3089321 has 2 divisors, whose sum is σ = 3089322. Its totient is φ = 3089320.

The previous prime is 3089311. The next prime is 3089323. The reversal of 3089321 is 1239803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3013696 + 75625 = 1736^2 + 275^2 .

It is an emirp because it is prime and its reverse (1239803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3089321 is a prime.

It is a Sophie Germain prime.

Together with 3089323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3089323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1544660 + 1544661.

It is an arithmetic number, because the mean of its divisors is an integer number (1544661).

Almost surely, 2^3089321 is an apocalyptic number.

It is an amenable number.

3089321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3089321 is an equidigital number, since it uses as much as digits as its factorization.

3089321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3089321 is about 1757.6464377115. The cubic root of 3089321 is about 145.6423503430.

The spelling of 3089321 in words is "three million, eighty-nine thousand, three hundred twenty-one".