9879135 has 24 divisors (see below), whose sum is σ = 18388656. Its totient is φ = 4515840.

The previous prime is 9879131. The next prime is 9879139. The reversal of 9879135 is 5319789.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9879131) and next prime (9879139).

It is not a de Polignac number, because 9879135 - 2² = 9879131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5986 + ... + 7455.

It is an arithmetic number, because the mean of its divisors is an integer number (766194).

Almost surely, 2^9879135 is an apocalyptic number.

9879135 is a deficient number, since it is larger than the sum of its proper divisors (8509521).

9879135 is a wasteful number, since it uses less digits than its factorization.

9879135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463 (or 13456 counting only the distinct ones).

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

The square root of 9879135 is about 3143.1091295086. The cubic root of 9879135 is about 214.5719625315.

The spelling of 9879135 in words is "nine million, eight hundred seventy-nine thousand, one hundred thirty-five".