8671489 has 4 divisors (see below), whose sum is σ = 8835156. Its totient is φ = 8507824.

The previous prime is 8671471. The next prime is 8671499. The reversal of 8671489 is 9841768.

8671489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5798464 + 2873025 = 2408^2 + 1695^2 .

It is a cyclic number.

It is not a de Polignac number, because 8671489 - 2⁵ = 8671457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8671409) 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, 81754 + ... + 81859.

It is an arithmetic number, because the mean of its divisors is an integer number (2208789).

Almost surely, 2^8671489 is an apocalyptic number.

It is an amenable number.

8671489 is a deficient number, since it is larger than the sum of its proper divisors (163667).

8671489 is a wasteful number, since it uses less digits than its factorization.

8671489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163666.

The product of its digits is 96768, while the sum is 43.

The square root of 8671489 is about 2944.7392074681. The cubic root of 8671489 is about 205.4460957790.

The spelling of 8671489 in words is "eight million, six hundred seventy-one thousand, four hundred eighty-nine".