2689956 has 24 divisors (see below), whose sum is σ = 6974240. Its totient is φ = 896616.

The previous prime is 2689943. The next prime is 2689957. The reversal of 2689956 is 6599862.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2689957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12346 + ... + 12561.

2^2689956 is an apocalyptic number.

It is an amenable number.

2689956 is an abundant number, since it is smaller than the sum of its proper divisors (4284284).

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

2689956 is a wasteful number, since it uses less digits than its factorization.

2689956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24920 (or 24912 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 2689956 is about 1640.1085329941. The cubic root of 2689956 is about 139.0747833530.

The spelling of 2689956 in words is "two million, six hundred eighty-nine thousand, nine hundred fifty-six".