8899971 has 4 divisors (see below), whose sum is σ = 11866632. Its totient is φ = 5933312.

The previous prime is 8899949. The next prime is 8899987. The reversal of 8899971 is 1799988.

8899971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8899971 - 2⁷ = 8899843 is a prime.

8899971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8899171) 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, 1483326 + ... + 1483331.

It is an arithmetic number, because the mean of its divisors is an integer number (2966658).

Almost surely, 2^8899971 is an apocalyptic number.

8899971 is a deficient number, since it is larger than the sum of its proper divisors (2966661).

8899971 is a wasteful number, since it uses less digits than its factorization.

8899971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966660.

The product of its digits is 326592, while the sum is 51.

The square root of 8899971 is about 2983.2819176203. The cubic root of 8899971 is about 207.2348847189.

It can be divided in two parts, 8899 and 971, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 8899971 in words is "eight million, eight hundred ninety-nine thousand, nine hundred seventy-one".