8998871 has 4 divisors (see below), whose sum is σ = 10284432. Its totient is φ = 7713312.

The previous prime is 8998861. The next prime is 8998877. The reversal of 8998871 is 1788998.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8998871 - 2¹⁰ = 8997847 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 (8998877) 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, 642770 + ... + 642783.

It is an arithmetic number, because the mean of its divisors is an integer number (2571108).

Almost surely, 2^8998871 is an apocalyptic number.

8998871 is a deficient number, since it is larger than the sum of its proper divisors (1285561).

8998871 is a wasteful number, since it uses less digits than its factorization.

8998871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285560.

The product of its digits is 290304, while the sum is 50.

The square root of 8998871 is about 2999.8118274318. The cubic root of 8998871 is about 207.9996841095. Note that the first 3 decimals are identical.

The spelling of 8998871 in words is "eight million, nine hundred ninety-eight thousand, eight hundred seventy-one".