9217397 has 8 divisors (see below), whose sum is σ = 10560000. Its totient is φ = 7881264.

The previous prime is 9217387. The next prime is 9217421. The reversal of 9217397 is 7937129.

9217397 is digitally balanced in base 2, because in such base 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 9217397 - 2⁴ = 9217381 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 9217397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9217387) 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, 1979 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (1320000).

Almost surely, 2^9217397 is an apocalyptic number.

It is an amenable number.

9217397 is a deficient number, since it is larger than the sum of its proper divisors (1342603).

9217397 is a wasteful number, since it uses less digits than its factorization.

9217397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235.

The product of its digits is 23814, while the sum is 38.

The square root of 9217397 is about 3036.0166336830. The cubic root of 9217397 is about 209.6699046812.

The spelling of 9217397 in words is "nine million, two hundred seventeen thousand, three hundred ninety-seven".