2688941 has 8 divisors (see below), whose sum is σ = 2894904. Its totient is φ = 2488320.

The previous prime is 2688929. The next prime is 2688943. The reversal of 2688941 is 1498862.

2688941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 220900 + 2468041 = 470^2 + 1571^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2688941 - 2⁶ = 2688877 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 2688895 and 2688904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (361863).

2^2688941 is an apocalyptic number.

It is an amenable number.

2688941 is a deficient number, since it is larger than the sum of its proper divisors (205963).

2688941 is a wasteful number, since it uses less digits than its factorization.

2688941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its digits is 27648, while the sum is 38.

The square root of 2688941 is about 1639.7990730574. The cubic root of 2688941 is about 139.0572888086.

The spelling of 2688941 in words is "two million, six hundred eighty-eight thousand, nine hundred forty-one".