2894091 has 4 divisors (see below), whose sum is σ = 3858792. Its totient is φ = 1929392.

The previous prime is 2894071. The next prime is 2894123. The reversal of 2894091 is 1904982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2894091 - 2¹⁸ = 2631947 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2894041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482346 + ... + 482351.

It is an arithmetic number, because the mean of its divisors is an integer number (964698).

2^2894091 is an apocalyptic number.

2894091 is a deficient number, since it is larger than the sum of its proper divisors (964701).

2894091 is an equidigital number, since it uses as much as digits as its factorization.

2894091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964700.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2894091 is about 1701.2028097790. The cubic root of 2894091 is about 142.5073926605.

The spelling of 2894091 in words is "two million, eight hundred ninety-four thousand, ninety-one".