2865841 has 8 divisors (see below), whose sum is σ = 3178368. Its totient is φ = 2562000.

The previous prime is 2865839. The next prime is 2865871. The reversal of 2865841 is 1485682.

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

It is not a de Polignac number, because 2865841 - 2¹ = 2865839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2865797 and 2865806.

It is not an unprimeable number, because it can be changed into a prime (2865871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (397296).

2^2865841 is an apocalyptic number.

It is an amenable number.

2865841 is a deficient number, since it is larger than the sum of its proper divisors (312527).

2865841 is a wasteful number, since it uses less digits than its factorization.

2865841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343.

The product of its digits is 15360, while the sum is 34.

The square root of 2865841 is about 1692.8794995510. The cubic root of 2865841 is about 142.0421913905.

The spelling of 2865841 in words is "two million, eight hundred sixty-five thousand, eight hundred forty-one".