997008 has 20 divisors (see below), whose sum is σ = 2575728. Its totient is φ = 332320.

The previous prime is 997001. The next prime is 997013. The reversal of 997008 is 800799.

997008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 997008.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 997008.

It is not an unprimeable number, because it can be changed into a prime (997001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10338 + ... + 10433.

2⁹⁹⁷⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

997008 is an abundant number, since it is smaller than the sum of its proper divisors (1578720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997008 is a wasteful number, since it uses less digits than its factorization.

997008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20782 (or 20776 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 997008 is about 998.5028793148. The cubic root of 997008 is about 99.9001670336.

The spelling of 997008 in words is "nine hundred ninety-seven thousand, eight".