8871915 has 16 divisors (see below), whose sum is σ = 15287328. Its totient is φ = 4367616.

The previous prime is 8871899. The next prime is 8871931. The reversal of 8871915 is 5191788.

It is an interprime number because it is at equal distance from previous prime (8871899) and next prime (8871931).

It is not a de Polignac number, because 8871915 - 2⁴ = 8871899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22554 + ... + 22943.

It is an arithmetic number, because the mean of its divisors is an integer number (955458).

Almost surely, 2^8871915 is an apocalyptic number.

8871915 is a deficient number, since it is larger than the sum of its proper divisors (6415413).

8871915 is a wasteful number, since it uses less digits than its factorization.

8871915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45518.

The product of its digits is 20160, while the sum is 39.

The square root of 8871915 is about 2978.5760020520. The cubic root of 8871915 is about 207.0168951647.

The spelling of 8871915 in words is "eight million, eight hundred seventy-one thousand, nine hundred fifteen".