9975397 has 8 divisors (see below), whose sum is σ = 10334720. Its totient is φ = 9618480.

The previous prime is 9975389. The next prime is 9975403. The reversal of 9975397 is 7935799.

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 9975397 - 2³ = 9975389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9975397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13243 + ... + 13975.

It is an arithmetic number, because the mean of its divisors is an integer number (1291840).

Almost surely, 2^9975397 is an apocalyptic number.

It is an amenable number.

9975397 is a deficient number, since it is larger than the sum of its proper divisors (359323).

9975397 is a wasteful number, since it uses less digits than its factorization.

9975397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its digits is 535815, while the sum is 49.

The square root of 9975397 is about 3158.3851886684. The cubic root of 9975397 is about 215.2666387164.

The spelling of 9975397 in words is "nine million, nine hundred seventy-five thousand, three hundred ninety-seven".