9862842 has 32 divisors (see below), whose sum is σ = 22265280. Its totient is φ = 2885120.

The previous prime is 9862829. The next prime is 9862847. The reversal of 9862842 is 2482689.

It is a self number, because there is not a number n which added to its sum of digits gives 9862842.

It is not an unprimeable number, because it can be changed into a prime (9862847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663 + ... + 4490.

It is an arithmetic number, because the mean of its divisors is an integer number (695790).

Almost surely, 2^9862842 is an apocalyptic number.

9862842 is an abundant number, since it is smaller than the sum of its proper divisors (12402438).

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

9862842 is a wasteful number, since it uses less digits than its factorization.

9862842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198.

The product of its digits is 55296, while the sum is 39.

The square root of 9862842 is about 3140.5161996080. The cubic root of 9862842 is about 214.4539378709.

It can be divided in two parts, 986 and 2842, that added together give a triangular number (3828 = T₈₇).

The spelling of 9862842 in words is "nine million, eight hundred sixty-two thousand, eight hundred forty-two".