2804889 has 8 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 1862960.

The previous prime is 2804887. The next prime is 2804891. The reversal of 2804889 is 9884082.

It is a happy number.

2804889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2804887) and next prime (2804891).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2804889 - 2¹ = 2804887 is a prime.

2804889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2804887) 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 7 ways as a sum of consecutive naturals, for example, 717 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (469224).

2^2804889 is an apocalyptic number.

It is an amenable number.

2804889 is a deficient number, since it is larger than the sum of its proper divisors (948903).

2804889 is a wasteful number, since it uses less digits than its factorization.

2804889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2804889 is about 1674.7802840970. The cubic root of 2804889 is about 141.0279608550.

The spelling of 2804889 in words is "two million, eight hundred four thousand, eight hundred eighty-nine".