8918971 has 4 divisors (see below), whose sum is σ = 9070200. Its totient is φ = 8767744.

The previous prime is 8918953. The next prime is 8918983. The reversal of 8918971 is 1798198.

8918971 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 8918971 - 2⁵ = 8918939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8918911) 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, 75526 + ... + 75643.

It is an arithmetic number, because the mean of its divisors is an integer number (2267550).

Almost surely, 2^8918971 is an apocalyptic number.

8918971 is a deficient number, since it is larger than the sum of its proper divisors (151229).

8918971 is a wasteful number, since it uses less digits than its factorization.

8918971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151228.

The product of its digits is 36288, while the sum is 43.

The square root of 8918971 is about 2986.4646323036. The cubic root of 8918971 is about 207.3822508986.

It can be divided in two parts, 8918 and 971, that added together give a palindrome (9889).

The spelling of 8918971 in words is "eight million, nine hundred eighteen thousand, nine hundred seventy-one".