2681694 has 32 divisors (see below), whose sum is σ = 6078240. Its totient is φ = 876096.

The previous prime is 2681683. The next prime is 2681713. The reversal of 2681694 is 4961862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394 + ... + 3330.

It is an arithmetic number, because the mean of its divisors is an integer number (189945).

2^2681694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3039120).

2681694 is an abundant number, since it is smaller than the sum of its proper divisors (3396546).

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

2681694 is a wasteful number, since it uses less digits than its factorization.

2681694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 995 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2681694 is about 1637.5878602383. The cubic root of 2681694 is about 138.9322513730.

It can be divided in two parts, 2681 and 694, that added together give a cube (3375 = 15³).

The spelling of 2681694 in words is "two million, six hundred eighty-one thousand, six hundred ninety-four".