8997743 has 8 divisors (see below), whose sum is σ = 9856080. Its totient is φ = 8176000.

The previous prime is 8997733. The next prime is 8997767. The reversal of 8997743 is 3477998.

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 8997743 - 2⁸ = 8997487 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 (8997713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8633 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (1232010).

Almost surely, 2^8997743 is an apocalyptic number.

8997743 is a deficient number, since it is larger than the sum of its proper divisors (858337).

8997743 is a wasteful number, since it uses less digits than its factorization.

8997743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297.

The product of its digits is 381024, while the sum is 47.

The square root of 8997743 is about 2999.6238097468. The cubic root of 8997743 is about 207.9909928915.

The spelling of 8997743 in words is "eight million, nine hundred ninety-seven thousand, seven hundred forty-three".