2885865 has 8 divisors (see below), whose sum is σ = 4617408. Its totient is φ = 1539120.

The previous prime is 2885863. The next prime is 2885887. The reversal of 2885865 is 5685882.

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

It is not a de Polignac number, because 2885865 - 2¹ = 2885863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2885863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96181 + ... + 96210.

It is an arithmetic number, because the mean of its divisors is an integer number (577176).

2^2885865 is an apocalyptic number.

It is an amenable number.

2885865 is a deficient number, since it is larger than the sum of its proper divisors (1731543).

2885865 is a wasteful number, since it uses less digits than its factorization.

2885865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192399.

The product of its digits is 153600, while the sum is 42.

The square root of 2885865 is about 1698.7833881929. The cubic root of 2885865 is about 142.3722462271.

The spelling of 2885865 in words is "two million, eight hundred eighty-five thousand, eight hundred sixty-five".