2681841 has 8 divisors (see below), whose sum is σ = 3691264. Its totient is φ = 1730160.

The previous prime is 2681827. The next prime is 2681843. The reversal of 2681841 is 1481862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2681841 - 2⁷ = 2681713 is a prime.

It is a super-2 number, since 2×2681841² = 14384542298562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2681799 and 2681808.

It is not an unprimeable number, because it can be changed into a prime (2681843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14326 + ... + 14511.

It is an arithmetic number, because the mean of its divisors is an integer number (461408).

2^2681841 is an apocalyptic number.

It is an amenable number.

2681841 is a deficient number, since it is larger than the sum of its proper divisors (1009423).

2681841 is a wasteful number, since it uses less digits than its factorization.

2681841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28871.

The product of its digits is 3072, while the sum is 30.

The square root of 2681841 is about 1637.6327427113. The cubic root of 2681841 is about 138.9347899012.

The spelling of 2681841 in words is "two million, six hundred eighty-one thousand, eight hundred forty-one".