997365 has 8 divisors (see below), whose sum is σ = 1595808. Its totient is φ = 531920.

The previous prime is 997357. The next prime is 997369. The reversal of 997365 is 563799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 997365 - 2³ = 997357 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 997365.

It is not an unprimeable number, because it can be changed into a prime (997369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33231 + ... + 33260.

It is an arithmetic number, because the mean of its divisors is an integer number (199476).

2⁹⁹⁷³⁶⁵ is an apocalyptic number.

It is an amenable number.

997365 is a deficient number, since it is larger than the sum of its proper divisors (598443).

997365 is a wasteful number, since it uses less digits than its factorization.

997365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66499.

The product of its digits is 51030, while the sum is 39.

The square root of 997365 is about 998.6816309515. The cubic root of 997365 is about 99.9120894066.

The spelling of 997365 in words is "nine hundred ninety-seven thousand, three hundred sixty-five".