8997273 has 12 divisors (see below), whose sum is σ = 13022100. Its totient is φ = 5986176.

The previous prime is 8997259. The next prime is 8997293. The reversal of 8997273 is 3727998.

It can be written as a sum of positive squares in 2 ways, for example, as 6215049 + 2782224 = 2493^2 + 1668^2 .

It is not a de Polignac number, because 8997273 - 2⁸ = 8997017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8997293) 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, 8053 + ... + 9101.

It is an arithmetic number, because the mean of its divisors is an integer number (1085175).

Almost surely, 2^8997273 is an apocalyptic number.

It is an amenable number.

8997273 is a deficient number, since it is larger than the sum of its proper divisors (4024827).

8997273 is a wasteful number, since it uses less digits than its factorization.

8997273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2005 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 8997273 is about 2999.5454655664. The cubic root of 8997273 is about 207.9873713363.

The spelling of 8997273 in words is "eight million, nine hundred ninety-seven thousand, two hundred seventy-three".