2894391 has 12 divisors (see below), whose sum is σ = 4208568. Its totient is φ = 1916784.

The previous prime is 2894387. The next prime is 2894407. The reversal of 2894391 is 1934982.

2894391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2894391 - 2² = 2894387 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2894321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (350714).

2^2894391 is an apocalyptic number.

2894391 is a deficient number, since it is larger than the sum of its proper divisors (1314177).

2894391 is a wasteful number, since it uses less digits than its factorization.

2894391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2139 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2894391 is about 1701.2909804028. The cubic root of 2894391 is about 142.5123165716.

The spelling of 2894391 in words is "two million, eight hundred ninety-four thousand, three hundred ninety-one".