2689156 has 6 divisors (see below), whose sum is σ = 4706030. Its totient is φ = 1344576.

The previous prime is 2689151. The next prime is 2689163. The reversal of 2689156 is 6519862.

It can be written as a sum of positive squares in only one way, i.e., 1522756 + 1166400 = 1234^2 + 1080^2 .

It is not an unprimeable number, because it can be changed into a prime (2689151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336141 + ... + 336148.

2^2689156 is an apocalyptic number.

It is an amenable number.

2689156 is a deficient number, since it is larger than the sum of its proper divisors (2016874).

2689156 is a wasteful number, since it uses less digits than its factorization.

2689156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672293 (or 672291 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 2689156 is about 1639.8646285593. The cubic root of 2689156 is about 139.0609949170.

The spelling of 2689156 in words is "two million, six hundred eighty-nine thousand, one hundred fifty-six".