8971668 has 24 divisors (see below), whose sum is σ = 23260160. Its totient is φ = 2990520.

The previous prime is 8971663. The next prime is 8971687. The reversal of 8971668 is 8661798.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971663) 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, 41428 + ... + 41643.

Almost surely, 2^8971668 is an apocalyptic number.

It is an amenable number.

8971668 is an abundant number, since it is smaller than the sum of its proper divisors (14288492).

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

8971668 is a wasteful number, since it uses less digits than its factorization.

8971668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83084 (or 83076 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 8971668 is about 2995.2742779251. The cubic root of 8971668 is about 207.7898827365.

The spelling of 8971668 in words is "eight million, nine hundred seventy-one thousand, six hundred sixty-eight".