2916891 has 10 divisors (see below), whose sum is σ = 4357452. Its totient is φ = 1944540.

The previous prime is 2916841. The next prime is 2916919. The reversal of 2916891 is 1986192.

It is not a de Polignac number, because 2916891 - 2⁶ = 2916827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2916811) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17925 + ... + 18086.

2^2916891 is an apocalyptic number.

2916891 is a deficient number, since it is larger than the sum of its proper divisors (1440561).

2916891 is an equidigital number, since it uses as much as digits as its factorization.

2916891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36023 (or 36014 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 2916891 is about 1707.8908044720. The cubic root of 2916891 is about 142.8806443716.

The spelling of 2916891 in words is "two million, nine hundred sixteen thousand, eight hundred ninety-one".