2836289 has 4 divisors (see below), whose sum is σ = 2862420. Its totient is φ = 2810160.

The previous prime is 2836279. The next prime is 2836303. The reversal of 2836289 is 9826382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2496400 + 339889 = 1580^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 2836289 - 2⁸ = 2836033 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2836259) 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, 12902 + ... + 13119.

It is an arithmetic number, because the mean of its divisors is an integer number (715605).

2^2836289 is an apocalyptic number.

It is an amenable number.

2836289 is a deficient number, since it is larger than the sum of its proper divisors (26131).

2836289 is a wasteful number, since it uses less digits than its factorization.

2836289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26130.

The product of its digits is 41472, while the sum is 38.

The square root of 2836289 is about 1684.1285580383. The cubic root of 2836289 is about 141.5522662742.

It can be divided in two parts, 2836 and 289, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2836289 in words is "two million, eight hundred thirty-six thousand, two hundred eighty-nine".