2885605 has 8 divisors (see below), whose sum is σ = 3519864. Its totient is φ = 2270400.

The previous prime is 2885599. The next prime is 2885611. The reversal of 2885605 is 5065882.

2885605 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 (2885599) and next prime (2885611).

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 2819041 = 258^2 + 1679^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2885605 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4426 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (439983).

2^2885605 is an apocalyptic number.

It is an amenable number.

2885605 is a deficient number, since it is larger than the sum of its proper divisors (634259).

2885605 is an equidigital number, since it uses as much as digits as its factorization.

2885605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2885605 is about 1698.7068611152. The cubic root of 2885605 is about 142.3679704558.

The spelling of 2885605 in words is "two million, eight hundred eighty-five thousand, six hundred five".