9897135 has 16 divisors (see below), whose sum is σ = 15876096. Its totient is φ = 5264928.

The previous prime is 9897127. The next prime is 9897161. The reversal of 9897135 is 5317989.

It is a happy number.

9897135 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9897135 - 2³ = 9897127 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8562 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (992256).

Almost surely, 2^9897135 is an apocalyptic number.

9897135 is a deficient number, since it is larger than the sum of its proper divisors (5978961).

9897135 is a wasteful number, since it uses less digits than its factorization.

9897135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702.

The product of its digits is 68040, while the sum is 42.

The square root of 9897135 is about 3145.9712331806. The cubic root of 9897135 is about 214.7022017332.

The spelling of 9897135 in words is "nine million, eight hundred ninety-seven thousand, one hundred thirty-five".