9997159 has 8 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 9619680.

The previous prime is 9997133. The next prime is 9997177. The reversal of 9997159 is 9517999.

9997159 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 9997159 - 2⁹ = 9996647 is a prime.

It is a Duffinian number.

9997159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997109) 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, 5289 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (1297296).

Almost surely, 2^9997159 is an apocalyptic number.

9997159 is a deficient number, since it is larger than the sum of its proper divisors (381209).

9997159 is a wasteful number, since it uses less digits than its factorization.

9997159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865.

The product of its digits is 229635, while the sum is 49.

The square root of 9997159 is about 3161.8284267177. The cubic root of 9997159 is about 215.4230645743.

The spelling of 9997159 in words is "nine million, nine hundred ninety-seven thousand, one hundred fifty-nine".