2689487 has 2 divisors, whose sum is σ = 2689488. Its totient is φ = 2689486.

The previous prime is 2689483. The next prime is 2689499. The reversal of 2689487 is 7849862.

2689487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2689487 - 2² = 2689483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2689483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344743 + 1344744.

It is an arithmetic number, because the mean of its divisors is an integer number (1344744).

2^2689487 is an apocalyptic number.

2689487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689487 is an equidigital number, since it uses as much as digits as its factorization.

2689487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 2689487 is about 1639.9655484186. The cubic root of 2689487 is about 139.0667002140.

The spelling of 2689487 in words is "two million, six hundred eighty-nine thousand, four hundred eighty-seven".