997203 has 8 divisors (see below), whose sum is σ = 1407888. Its totient is φ = 625664.

The previous prime is 997201. The next prime is 997207. The reversal of 997203 is 302799.

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 997203 - 2¹ = 997201 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 997203.

It is not an unprimeable number, because it can be changed into a prime (997201) 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, 9726 + ... + 9827.

It is an arithmetic number, because the mean of its divisors is an integer number (175986).

2⁹⁹⁷²⁰³ is an apocalyptic number.

997203 is a deficient number, since it is larger than the sum of its proper divisors (410685).

997203 is a wasteful number, since it uses less digits than its factorization.

997203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 997203 is about 998.6005207289. The cubic root of 997203 is about 99.9066796068.

The spelling of 997203 in words is "nine hundred ninety-seven thousand, two hundred three".