2688964 has 12 divisors (see below), whose sum is σ = 4806144. Its totient is φ = 1315784.

The previous prime is 2688949. The next prime is 2688977. The reversal of 2688964 is 4698862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2688964.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6964 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (400512).

2^2688964 is an apocalyptic number.

It is an amenable number.

2688964 is a deficient number, since it is larger than the sum of its proper divisors (2117180).

2688964 is a wasteful number, since it uses less digits than its factorization.

2688964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14354 (or 14352 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 2688964 is about 1639.8060860968. The cubic root of 2688964 is about 139.0576852855.

The spelling of 2688964 in words is "two million, six hundred eighty-eight thousand, nine hundred sixty-four".