8973571 has 4 divisors (see below), whose sum is σ = 9007200. Its totient is φ = 8939944.

The previous prime is 8973563. The next prime is 8973577. The reversal of 8973571 is 1753798.

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 8973571 - 2³ = 8973563 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8973577) 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, 16411 + ... + 16948.

It is an arithmetic number, because the mean of its divisors is an integer number (2251800).

Almost surely, 2^8973571 is an apocalyptic number.

8973571 is a deficient number, since it is larger than the sum of its proper divisors (33629).

8973571 is a wasteful number, since it uses less digits than its factorization.

8973571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33628.

The product of its digits is 52920, while the sum is 40.

The square root of 8973571 is about 2995.5919281504. The cubic root of 8973571 is about 207.8045732858.

The spelling of 8973571 in words is "eight million, nine hundred seventy-three thousand, five hundred seventy-one".