9879895 has 8 divisors (see below), whose sum is σ = 12131856. Its totient is φ = 7719936.

The previous prime is 9879871. The next prime is 9879901. The reversal of 9879895 is 5989789.

9879895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9879895 - 2⁷ = 9879767 is a prime.

It is a super-2 number, since 2×9879895² = 195224650422050, which contains 22 as substring.

It is a Duffinian number.

9879895 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 7 ways as a sum of consecutive naturals, for example, 22762 + ... + 23191.

It is an arithmetic number, because the mean of its divisors is an integer number (1516482).

Almost surely, 2^9879895 is an apocalyptic number.

9879895 is a deficient number, since it is larger than the sum of its proper divisors (2251961).

9879895 is a wasteful number, since it uses less digits than its factorization.

9879895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46001.

The product of its digits is 1632960, while the sum is 55.

The square root of 9879895 is about 3143.2300265809. The cubic root of 9879895 is about 214.5774647173.

The spelling of 9879895 in words is "nine million, eight hundred seventy-nine thousand, eight hundred ninety-five".