10843820 has 48 divisors (see below), whose sum is σ = 24766560. Its totient is φ = 3964416.

The previous prime is 10843801. The next prime is 10843823. The reversal of 10843820 is 2834801.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 10843820.

It is not an unprimeable number, because it can be changed into a prime (10843823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46424 + ... + 46656.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 2^10843820 is an apocalyptic number.

10843820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10843820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12383280).

10843820 is an abundant number, since it is smaller than the sum of its proper divisors (13922740).

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

10843820 is a wasteful number, since it uses less digits than its factorization.

10843820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 10843820 is about 3292.9955967174. The cubic root of 10843820 is about 221.3404388374.

The spelling of 10843820 in words is "ten million, eight hundred forty-three thousand, eight hundred twenty".