9897115 has 8 divisors (see below), whose sum is σ = 11893968. Its totient is φ = 7906080.

The previous prime is 9897109. The next prime is 9897127. The reversal of 9897115 is 5117989.

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 9897115 - 2⁷ = 9896987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4560 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (1486746).

Almost surely, 2^9897115 is an apocalyptic number.

9897115 is a deficient number, since it is larger than the sum of its proper divisors (1996853).

9897115 is a wasteful number, since it uses less digits than its factorization.

9897115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its digits is 22680, while the sum is 40.

The square root of 9897115 is about 3145.9680545104. The cubic root of 9897115 is about 214.7020571107.

The spelling of 9897115 in words is "nine million, eight hundred ninety-seven thousand, one hundred fifteen".