8997539 has 8 divisors (see below), whose sum is σ = 9730368. Its totient is φ = 8287360.

The previous prime is 8997529. The next prime is 8997551. The reversal of 8997539 is 9357998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8997539 - 2¹² = 8993443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8997529) 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, 4832 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (1216296).

Almost surely, 2^8997539 is an apocalyptic number.

8997539 is a deficient number, since it is larger than the sum of its proper divisors (732829).

8997539 is a wasteful number, since it uses less digits than its factorization.

8997539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325.

The product of its digits is 612360, while the sum is 50.

The square root of 8997539 is about 2999.5898052900. The cubic root of 8997539 is about 207.9894209980.

The spelling of 8997539 in words is "eight million, nine hundred ninety-seven thousand, five hundred thirty-nine".