2885009 has 4 divisors (see below), whose sum is σ = 2889216. Its totient is φ = 2880804.

The previous prime is 2884993. The next prime is 2885021. The reversal of 2885009 is 9005882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9005882 = 2 ⋅4502941.

It is a cyclic number.

It is not a de Polignac number, because 2885009 - 2⁴ = 2884993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885039) 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, 809 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (722304).

2^2885009 is an apocalyptic number.

It is an amenable number.

2885009 is a deficient number, since it is larger than the sum of its proper divisors (4207).

2885009 is an equidigital number, since it uses as much as digits as its factorization.

2885009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2885009 is about 1698.5314244959. The cubic root of 2885009 is about 142.3581681033.

The spelling of 2885009 in words is "two million, eight hundred eighty-five thousand, nine".