9869892 has 48 divisors (see below), whose sum is σ = 24615360. Its totient is φ = 3068928.

The previous prime is 9869869. The next prime is 9869903. The reversal of 9869892 is 2989689.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16348 + ... + 16940.

It is an arithmetic number, because the mean of its divisors is an integer number (512820).

Almost surely, 2^9869892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9869892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12307680).

9869892 is an abundant number, since it is smaller than the sum of its proper divisors (14745468).

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

9869892 is a wasteful number, since it uses less digits than its factorization.

9869892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 9869892 is about 3141.6384260446. The cubic root of 9869892 is about 214.5050232196.

It can be divided in two parts, 98698 and 92, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 9869892 in words is "nine million, eight hundred sixty-nine thousand, eight hundred ninety-two".