2689263 has 12 divisors (see below), whose sum is σ = 3975400. Its totient is φ = 1750896.

The previous prime is 2689261. The next prime is 2689277. The reversal of 2689263 is 3629862.

2689263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2689263 - 2¹ = 2689261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689261) 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 in 11 ways as a sum of consecutive naturals, for example, 3088 + ... + 3861.

2^2689263 is an apocalyptic number.

2689263 is a deficient number, since it is larger than the sum of its proper divisors (1286137).

2689263 is a wasteful number, since it uses less digits than its factorization.

2689263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998 (or 6995 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2689263 is about 1639.8972528790. The cubic root of 2689263 is about 139.0628392787.

The spelling of 2689263 in words is "two million, six hundred eighty-nine thousand, two hundred sixty-three".