8871040 has 64 divisors (see below), whose sum is σ = 21591360. Its totient is φ = 3484672.

The previous prime is 8871019. The next prime is 8871041. The reversal of 8871040 is 401788.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (8871041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53037 + ... + 53203.

It is an arithmetic number, because the mean of its divisors is an integer number (337365).

Almost surely, 2^8871040 is an apocalyptic number.

8871040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8871040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10795680).

8871040 is an abundant number, since it is smaller than the sum of its proper divisors (12720320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8871040 is a wasteful number, since it uses less digits than its factorization.

8871040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 8871040 is about 2978.4291161617. The cubic root of 8871040 is about 207.0100892031.

The spelling of 8871040 in words is "eight million, eight hundred seventy-one thousand, forty".