9159397 has 4 divisors (see below), whose sum is σ = 9863980. Its totient is φ = 8454816.

The previous prime is 9159377. The next prime is 9159421. The reversal of 9159397 is 7939519.

9159397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391876 + 8767521 = 626^2 + 2961^2 .

It is a cyclic number.

It is not a de Polignac number, because 9159397 - 2²³ = 770789 is a prime.

It is a Duffinian number.

9159397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9159317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352272 + ... + 352297.

It is an arithmetic number, because the mean of its divisors is an integer number (2465995).

Almost surely, 2^9159397 is an apocalyptic number.

It is an amenable number.

9159397 is a deficient number, since it is larger than the sum of its proper divisors (704583).

9159397 is a wasteful number, since it uses less digits than its factorization.

9159397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704582.

The product of its digits is 76545, while the sum is 43.

The square root of 9159397 is about 3026.4495700408. The cubic root of 9159397 is about 209.2291999573.

The spelling of 9159397 in words is "nine million, one hundred fifty-nine thousand, three hundred ninety-seven".