2836864 has 32 divisors (see below), whose sum is σ = 5814000. Its totient is φ = 1377792.

The previous prime is 2836861. The next prime is 2836879. The reversal of 2836864 is 4686382.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2836861) 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, 4437 + ... + 5035.

2^2836864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2836864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907000).

2836864 is an abundant number, since it is smaller than the sum of its proper divisors (2977136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2836864 is an equidigital number, since it uses as much as digits as its factorization.

2836864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 638 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 2836864 is about 1684.2992608204. The cubic root of 2836864 is about 141.5618312437.

The spelling of 2836864 in words is "two million, eight hundred thirty-six thousand, eight hundred sixty-four".