2691894 has 24 divisors (see below), whose sum is σ = 5522040. Its totient is φ = 874720.

The previous prime is 2691893. The next prime is 2691907. The reversal of 2691894 is 4981962.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691893) 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, 30202 + ... + 30290.

It is an arithmetic number, because the mean of its divisors is an integer number (230085).

2^2691894 is an apocalyptic number.

2691894 is an abundant number, since it is smaller than the sum of its proper divisors (2830146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691894 is an equidigital number, since it uses as much as digits as its factorization.

2691894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 165 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 2691894 is about 1640.6992411774. The cubic root of 2691894 is about 139.1081745099.

The spelling of 2691894 in words is "two million, six hundred ninety-one thousand, eight hundred ninety-four".