997339 has 16 divisors (see below), whose sum is σ = 1252800. Its totient is φ = 776832.

The previous prime is 997333. The next prime is 997343. The reversal of 997339 is 933799.

It is a happy number.

It is not a de Polignac number, because 997339 - 2⁵ = 997307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34377 + ... + 34405.

It is an arithmetic number, because the mean of its divisors is an integer number (78300).

2⁹⁹⁷³³⁹ is an apocalyptic number.

997339 is a deficient number, since it is larger than the sum of its proper divisors (255461).

997339 is an equidigital number, since it uses as much as digits as its factorization.

997339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 53 counting only the distinct ones).

The product of its digits is 45927, while the sum is 40.

The square root of 997339 is about 998.6686137053. The cubic root of 997339 is about 99.9112212066.

The spelling of 997339 in words is "nine hundred ninety-seven thousand, three hundred thirty-nine".