2689264 has 20 divisors (see below), whose sum is σ = 5517504. Its totient is φ = 1265408.

The previous prime is 2689261. The next prime is 2689277. The reversal of 2689264 is 4629862.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4672 + ... + 5215.

2^2689264 is an apocalyptic number.

It is an amenable number.

2689264 is an abundant number, since it is smaller than the sum of its proper divisors (2828240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689264 is a wasteful number, since it uses less digits than its factorization.

2689264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9912 (or 9906 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 2689264 is about 1639.8975577761. The cubic root of 2689264 is about 139.0628565155.

The spelling of 2689264 in words is "two million, six hundred eighty-nine thousand, two hundred sixty-four".