9879844 has 12 divisors (see below), whose sum is σ = 18619804. Its totient is φ = 4559904.

The previous prime is 9879827. The next prime is 9879871. The reversal of 9879844 is 4489789.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 9000000 = 938^2 + 3000^2 .

It is a super-2 number, since 2×9879844² = 195222634928672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 94947 + ... + 95050.

Almost surely, 2^9879844 is an apocalyptic number.

It is an amenable number.

9879844 is a deficient number, since it is larger than the sum of its proper divisors (8739960).

9879844 is a wasteful number, since it uses less digits than its factorization.

9879844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190014 (or 190012 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 9879844 is about 3143.2219138966. The cubic root of 9879844 is about 214.5770955005.

It can be divided in two parts, 9 and 879844, that multiplied together give a square (7918596 = 2814²).

The spelling of 9879844 in words is "nine million, eight hundred seventy-nine thousand, eight hundred forty-four".