8276489 has 4 divisors (see below), whose sum is σ = 8913156. Its totient is φ = 7639824.

The previous prime is 8276447. The next prime is 8276491. The reversal of 8276489 is 9846728.

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 5359225 + 2917264 = 2315^2 + 1708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8276489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8276189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318314 + ... + 318339.

It is an arithmetic number, because the mean of its divisors is an integer number (2228289).

Almost surely, 2^8276489 is an apocalyptic number.

It is an amenable number.

8276489 is a deficient number, since it is larger than the sum of its proper divisors (636667).

8276489 is a wasteful number, since it uses less digits than its factorization.

8276489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636666.

The product of its digits is 193536, while the sum is 44.

The square root of 8276489 is about 2876.8887708773. Note that the first 3 decimals coincide. The cubic root of 8276489 is about 202.2780293966.

The spelling of 8276489 in words is "eight million, two hundred seventy-six thousand, four hundred eighty-nine".