3089 has 2 divisors, whose sum is σ = 3090. Its totient is φ = 3088.

The previous prime is 3083. The next prime is 3109. The reversal of 3089 is 9803.

It is an a-pointer prime, because the next prime (3109) can be obtained adding 3089 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3025 + 64 = 55^2 + 8^2 .

It is an emirp because it is prime and its reverse (9803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3089 - 2^{8} = 2833 is a prime.

It is a Chen prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 3 and 89 contains 3089 itself.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is a self number, because there is not a number *n* which added to its sum of digits gives 3089.

It is not a weakly prime, because it can be changed into another prime (3083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1544 + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (1545).

It is an amenable number.

3089 is a deficient number, since it is larger than the sum of its proper divisors (1).

3089 is an equidigital number, since it uses as much as digits as its factorization.

3089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3089 is about 55.5787729264. The cubic root of 3089 is about 14.5637305781.

It can be divided in two parts, 308 and 9, that multiplied together give a palindrome (2772).

The spelling of 3089 in words is "three thousand, eighty-nine".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •