2726891 has 2 divisors, whose sum is σ = 2726892. Its totient is φ = 2726890.

The previous prime is 2726887. The next prime is 2726917. The reversal of 2726891 is 1986272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2726891 - 2² = 2726887 is a prime.

It is equal to p₁₉₈₄₅₈ and since 2726891 and 198458 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2726821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363445 + 1363446.

It is an arithmetic number, because the mean of its divisors is an integer number (1363446).

2^2726891 is an apocalyptic number.

2726891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2726891 is an equidigital number, since it uses as much as digits as its factorization.

2726891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 2726891 is about 1651.3300699739. The cubic root of 2726891 is about 139.7084237717.

The spelling of 2726891 in words is "two million, seven hundred twenty-six thousand, eight hundred ninety-one".