9879834 has 16 divisors (see below), whose sum is σ = 20619072. Its totient is φ = 3150048.

The previous prime is 9879827. The next prime is 9879871. The reversal of 9879834 is 4389789.

It is a super-2 number, since 2×9879834² = 195222239735112, which contains 22 as substring.

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, 35659 + ... + 35934.

It is an arithmetic number, because the mean of its divisors is an integer number (1288692).

Almost surely, 2^9879834 is an apocalyptic number.

9879834 is an abundant number, since it is smaller than the sum of its proper divisors (10739238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9879834 is a wasteful number, since it uses less digits than its factorization.

9879834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71621.

The product of its digits is 435456, while the sum is 48.

The square root of 9879834 is about 3143.2203231718. The cubic root of 9879834 is about 214.5770231049.

The spelling of 9879834 in words is "nine million, eight hundred seventy-nine thousand, eight hundred thirty-four".