8272489 has 4 divisors (see below), whose sum is σ = 8759124. Its totient is φ = 7785856.

The previous prime is 8272483. The next prime is 8272493. The reversal of 8272489 is 9842728.

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 4272489 + 4000000 = 2067^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 8272489 - 2⁵ = 8272457 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8272483) 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, 243292 + ... + 243325.

It is an arithmetic number, because the mean of its divisors is an integer number (2189781).

Almost surely, 2^8272489 is an apocalyptic number.

It is an amenable number.

8272489 is a deficient number, since it is larger than the sum of its proper divisors (486635).

8272489 is a wasteful number, since it uses less digits than its factorization.

8272489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486634.

The product of its digits is 64512, while the sum is 40.

The square root of 8272489 is about 2876.1934914049. The cubic root of 8272489 is about 202.2454373760.

The spelling of 8272489 in words is "eight million, two hundred seventy-two thousand, four hundred eighty-nine".