2681968 has 10 divisors (see below), whose sum is σ = 5196344. Its totient is φ = 1340976.

The previous prime is 2681951. The next prime is 2681969. The reversal of 2681968 is 8691862.

It is a self number, because there is not a number n which added to its sum of digits gives 2681968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83796 + ... + 83827.

2^2681968 is an apocalyptic number.

It is an amenable number.

2681968 is a deficient number, since it is larger than the sum of its proper divisors (2514376).

2681968 is a wasteful number, since it uses less digits than its factorization.

2681968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167631 (or 167625 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 2681968 is about 1637.6715177349. The cubic root of 2681968 is about 138.9369829768.

The spelling of 2681968 in words is "two million, six hundred eighty-one thousand, nine hundred sixty-eight".