8871145 has 8 divisors (see below), whose sum is σ = 10675080. Its totient is φ = 7077120.

The previous prime is 8871143. The next prime is 8871151. The reversal of 8871145 is 5411788.

It can be written as a sum of positive squares in 4 ways, for example, as 85849 + 8785296 = 293^2 + 2964^2 .

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

It is not a de Polignac number, because 8871145 - 2¹ = 8871143 is a prime.

It is a super-2 number, since 2×8871145² = 157394427222050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8871145.

It is not an unprimeable number, because it can be changed into a prime (8871143) 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, 336 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (1334385).

Almost surely, 2^8871145 is an apocalyptic number.

It is an amenable number.

8871145 is a deficient number, since it is larger than the sum of its proper divisors (1803935).

8871145 is a wasteful number, since it uses less digits than its factorization.

8871145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955.

The product of its digits is 8960, while the sum is 34.

The square root of 8871145 is about 2978.4467428510. The cubic root of 8871145 is about 207.0109059421.

The spelling of 8871145 in words is "eight million, eight hundred seventy-one thousand, one hundred forty-five".