2627689 has 2 divisors, whose sum is σ = 2627690. Its totient is φ = 2627688.

The previous prime is 2627671. The next prime is 2627693. The reversal of 2627689 is 9867262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2585664 + 42025 = 1608^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2627689 - 2⁵ = 2627657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2627699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313844 + 1313845.

It is an arithmetic number, because the mean of its divisors is an integer number (1313845).

2^2627689 is an apocalyptic number.

It is an amenable number.

2627689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2627689 is an equidigital number, since it uses as much as digits as its factorization.

2627689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 2627689 is about 1621.0148056079. The cubic root of 2627689 is about 137.9932959006.

The spelling of 2627689 in words is "two million, six hundred twenty-seven thousand, six hundred eighty-nine".