8871239 has 8 divisors (see below), whose sum is σ = 9862272. Its totient is φ = 7924320.

The previous prime is 8871223. The next prime is 8871241. The reversal of 8871239 is 9321788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8871239 - 2⁴ = 8871223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8871209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10604 + ... + 11409.

It is an arithmetic number, because the mean of its divisors is an integer number (1232784).

Almost surely, 2^8871239 is an apocalyptic number.

8871239 is a deficient number, since it is larger than the sum of its proper divisors (991033).

8871239 is a wasteful number, since it uses less digits than its factorization.

8871239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22057.

The product of its digits is 24192, while the sum is 38.

The square root of 8871239 is about 2978.4625228463. The cubic root of 8871239 is about 207.0116371125.

The spelling of 8871239 in words is "eight million, eight hundred seventy-one thousand, two hundred thirty-nine".