9879085 has 4 divisors (see below), whose sum is σ = 11854908. Its totient is φ = 7903264.

The previous prime is 9879061. The next prime is 9879097. The reversal of 9879085 is 5809789.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4104676 + 5774409 = 2026^2 + 2403^2 .

It is a cyclic number.

It is not a de Polignac number, because 9879085 - 2¹⁹ = 9354797 is a prime.

It is a Duffinian number.

9879085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987904 + ... + 987913.

It is an arithmetic number, because the mean of its divisors is an integer number (2963727).

Almost surely, 2^9879085 is an apocalyptic number.

It is an amenable number.

9879085 is a deficient number, since it is larger than the sum of its proper divisors (1975823).

9879085 is a wasteful number, since it uses less digits than its factorization.

9879085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975822.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 9879085 is about 3143.1011755908. The cubic root of 9879085 is about 214.5716005357.

The spelling of 9879085 in words is "nine million, eight hundred seventy-nine thousand, eighty-five".