2689492 has 12 divisors (see below), whose sum is σ = 5068756. Its totient is φ = 1241280.

The previous prime is 2689487. The next prime is 2689499. The reversal of 2689492 is 2949862.

2689492 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 2414916 = 524^2 + 1554^2 .

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25809 + ... + 25912.

2^2689492 is an apocalyptic number.

It is an amenable number.

2689492 is a deficient number, since it is larger than the sum of its proper divisors (2379264).

2689492 is a wasteful number, since it uses less digits than its factorization.

2689492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51738 (or 51736 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 2689492 is about 1639.9670728402. The cubic root of 2689492 is about 139.0667863931.

The spelling of 2689492 in words is "two million, six hundred eighty-nine thousand, four hundred ninety-two".