2696891 has 4 divisors (see below), whose sum is σ = 2724792. Its totient is φ = 2668992.

The previous prime is 2696873. The next prime is 2696909. The reversal of 2696891 is 1986962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1986962 = 2 ⋅993481.

It is an interprime number because it is at equal distance from previous prime (2696873) and next prime (2696909).

It is a cyclic number.

It is not a de Polignac number, because 2696891 - 2¹⁰ = 2695867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2696851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13805 + ... + 13998.

It is an arithmetic number, because the mean of its divisors is an integer number (681198).

2^2696891 is an apocalyptic number.

2696891 is a deficient number, since it is larger than the sum of its proper divisors (27901).

2696891 is an equidigital number, since it uses as much as digits as its factorization.

2696891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27900.

The product of its digits is 46656, while the sum is 41.

The square root of 2696891 is about 1642.2213614492. The cubic root of 2696891 is about 139.1941974450.

The spelling of 2696891 in words is "two million, six hundred ninety-six thousand, eight hundred ninety-one".