9797145 has 8 divisors (see below), whose sum is σ = 15675456. Its totient is φ = 5225136.

The previous prime is 9797143. The next prime is 9797153. The reversal of 9797145 is 5417979.

It is a happy number.

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

It is not a de Polignac number, because 9797145 - 2¹ = 9797143 is a prime.

9797145 is a lucky number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 9797097 and 9797106.

It is not an unprimeable number, because it can be changed into a prime (9797143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326557 + ... + 326586.

It is an arithmetic number, because the mean of its divisors is an integer number (1959432).

Almost surely, 2^9797145 is an apocalyptic number.

It is an amenable number.

9797145 is a deficient number, since it is larger than the sum of its proper divisors (5878311).

9797145 is a wasteful number, since it uses less digits than its factorization.

9797145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653151.

The product of its digits is 79380, while the sum is 42.

The square root of 9797145 is about 3130.0391371355. The cubic root of 9797145 is about 213.9767130453.

The spelling of 9797145 in words is "nine million, seven hundred ninety-seven thousand, one hundred forty-five".