8272689 has 4 divisors (see below), whose sum is σ = 11030256. Its totient is φ = 5515124.

The previous prime is 8272681. The next prime is 8272697. The reversal of 8272689 is 9862728.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8272681) and next prime (8272697).

It is a cyclic number.

It is not a de Polignac number, because 8272689 - 2³ = 8272681 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8272689.

It is not an unprimeable number, because it can be changed into a prime (8272681) 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, 1378779 + ... + 1378784.

It is an arithmetic number, because the mean of its divisors is an integer number (2757564).

Almost surely, 2^8272689 is an apocalyptic number.

It is an amenable number.

8272689 is a deficient number, since it is larger than the sum of its proper divisors (2757567).

8272689 is a wasteful number, since it uses less digits than its factorization.

8272689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757566.

The product of its digits is 96768, while the sum is 42.

The square root of 8272689 is about 2876.2282593702. The cubic root of 8272689 is about 202.2470672266.

It can be divided in two parts, 82 and 72689, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 8272689 in words is "eight million, two hundred seventy-two thousand, six hundred eighty-nine".