997004 has 12 divisors (see below), whose sum is σ = 1820784. Its totient is φ = 476784.

The previous prime is 997001. The next prime is 997013. The reversal of 997004 is 400799.

It is not an unprimeable number, because it can be changed into a prime (997001) 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 3 ways as a sum of consecutive naturals, for example, 5327 + ... + 5510.

It is an arithmetic number, because the mean of its divisors is an integer number (151732).

2⁹⁹⁷⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

997004 is a deficient number, since it is larger than the sum of its proper divisors (823780).

997004 is a wasteful number, since it uses less digits than its factorization.

997004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10864 (or 10862 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 997004 is about 998.5008763141. The cubic root of 997004 is about 99.9000334335.

It can be divided in two parts, 99 and 7004, that multiplied together give a palindrome (693396).

The spelling of 997004 in words is "nine hundred ninety-seven thousand, four".