8998997 has 12 divisors (see below), whose sum is σ = 10714176. Its totient is φ = 7532280.

The previous prime is 8998991. The next prime is 8999009. The reversal of 8998997 is 7998998.

It is not a de Polignac number, because 8998997 - 2¹⁰ = 8997973 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 (8998991) 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, 29 + ... + 4242.

It is an arithmetic number, because the mean of its divisors is an integer number (892848).

Almost surely, 2^8998997 is an apocalyptic number.

It is an amenable number.

8998997 is a deficient number, since it is larger than the sum of its proper divisors (1715179).

8998997 is a wasteful number, since it uses less digits than its factorization.

8998997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4321 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 59.

The square root of 8998997 is about 2999.8328286756. The cubic root of 8998997 is about 208.0006548919. Note that the first 3 decimals are identical.

Subtracting from 8998997 its reverse (7998998), we obtain a palindrome (999999).

The spelling of 8998997 in words is "eight million, nine hundred ninety-eight thousand, nine hundred ninety-seven".