8997709 has 8 divisors (see below), whose sum is σ = 10888128. Its totient is φ = 7258560.

The previous prime is 8997701. The next prime is 8997713. The reversal of 8997709 is 9077998.

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 8997709 - 2³ = 8997701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37687 + ... + 37924.

It is an arithmetic number, because the mean of its divisors is an integer number (1361016).

Almost surely, 2^8997709 is an apocalyptic number.

It is an amenable number.

8997709 is a deficient number, since it is larger than the sum of its proper divisors (1890419).

8997709 is a wasteful number, since it uses less digits than its factorization.

8997709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75635.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 8997709 is about 2999.6181423641. The cubic root of 8997709 is about 207.9907309109.

The spelling of 8997709 in words is "eight million, nine hundred ninety-seven thousand, seven hundred nine".