2826891 has 12 divisors (see below), whose sum is σ = 4224480. Its totient is φ = 1819440.

The previous prime is 2826883. The next prime is 2826899. The reversal of 2826891 is 1986282.

It is an interprime number because it is at equal distance from previous prime (2826883) and next prime (2826899).

It is not a de Polignac number, because 2826891 - 2³ = 2826883 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2826899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5155 + ... + 5676.

It is an arithmetic number, because the mean of its divisors is an integer number (352040).

2^2826891 is an apocalyptic number.

2826891 is a deficient number, since it is larger than the sum of its proper divisors (1397589).

2826891 is a wasteful number, since it uses less digits than its factorization.

2826891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866 (or 10863 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2826891 is about 1681.3360758635. The cubic root of 2826891 is about 141.3957495220.

The spelling of 2826891 in words is "two million, eight hundred twenty-six thousand, eight hundred ninety-one".