2809094 has 4 divisors (see below), whose sum is σ = 4213644. Its totient is φ = 1404546.

The previous prime is 2809091. The next prime is 2809099. The reversal of 2809094 is 4909082.

2809094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2809094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2809091) 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 as a sum of consecutive naturals, namely, 702272 + ... + 702275.

It is an arithmetic number, because the mean of its divisors is an integer number (1053411).

2^2809094 is an apocalyptic number.

2809094 is a deficient number, since it is larger than the sum of its proper divisors (1404550).

2809094 is a wasteful number, since it uses less digits than its factorization.

2809094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404549.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2809094 is about 1676.0352024943. The cubic root of 2809094 is about 141.0984005379.

The spelling of 2809094 in words is "two million, eight hundred nine thousand, ninety-four".