8236489 has 4 divisors (see below), whose sum is σ = 8252820. Its totient is φ = 8220160.

The previous prime is 8236477. The next prime is 8236499. The reversal of 8236489 is 9846328.

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 1123600 + 7112889 = 1060^2 + 2667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8236489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8236439) 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, 7384 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (2063205).

Almost surely, 2^8236489 is an apocalyptic number.

It is an amenable number.

8236489 is a deficient number, since it is larger than the sum of its proper divisors (16331).

8236489 is a wasteful number, since it uses less digits than its factorization.

8236489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330.

The product of its digits is 82944, while the sum is 40.

The square root of 8236489 is about 2869.9283963193. The cubic root of 8236489 is about 201.9516353184.

The spelling of 8236489 in words is "eight million, two hundred thirty-six thousand, four hundred eighty-nine".