2146589 has 2 divisors, whose sum is σ = 2146590. Its totient is φ = 2146588.

The previous prime is 2146561. The next prime is 2146619. The reversal of 2146589 is 9856412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 58564 = 1445^2 + 242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073294 + 1073295.

It is an arithmetic number, because the mean of its divisors is an integer number (1073295).

2^2146589 is an apocalyptic number.

It is an amenable number.

2146589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146589 is an equidigital number, since it uses as much as digits as its factorization.

2146589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 2146589 is about 1465.1242268149. The cubic root of 2146589 is about 128.9979968841.

The spelling of 2146589 in words is "two million, one hundred forty-six thousand, five hundred eighty-nine".