8971424 has 72 divisors (see below), whose sum is σ = 22254624. Its totient is φ = 3484800.

The previous prime is 8971421. The next prime is 8971441. The reversal of 8971424 is 4241798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26939 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (309092).

Almost surely, 2^8971424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8971424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11127312).

8971424 is an abundant number, since it is smaller than the sum of its proper divisors (13283200).

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

8971424 is a wasteful number, since it uses less digits than its factorization.

8971424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 351 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 8971424 is about 2995.2335468207. The cubic root of 8971424 is about 207.7879989846.

The spelling of 8971424 in words is "eight million, nine hundred seventy-one thousand, four hundred twenty-four".