2838865 has 8 divisors (see below), whose sum is σ = 3450240. Its totient is φ = 2242032.

The previous prime is 2838863. The next prime is 2838889. The reversal of 2838865 is 5688382.

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 2838865 - 2¹ = 2838863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2838863) 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, 3199 + ... + 3988.

It is an arithmetic number, because the mean of its divisors is an integer number (431280).

2^2838865 is an apocalyptic number.

It is an amenable number.

2838865 is a deficient number, since it is larger than the sum of its proper divisors (611375).

2838865 is an equidigital number, since it uses as much as digits as its factorization.

2838865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271.

The product of its digits is 92160, while the sum is 40.

The square root of 2838865 is about 1684.8931716877. The cubic root of 2838865 is about 141.5951072660.

The spelling of 2838865 in words is "two million, eight hundred thirty-eight thousand, eight hundred sixty-five".