10843840 has 112 divisors (see below), whose sum is σ = 30431232. Its totient is φ = 3603456.

The previous prime is 10843823. The next prime is 10843871. The reversal of 10843840 is 4834801.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 10843799 and 10843808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105229 + ... + 105331.

Almost surely, 2^10843840 is an apocalyptic number.

10843840 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 10843840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15215616).

10843840 is an abundant number, since it is smaller than the sum of its proper divisors (19587392).

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

10843840 is a wasteful number, since it uses less digits than its factorization.

10843840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 10843840 is about 3292.9986334646. The cubic root of 10843840 is about 221.3405749151.

The spelling of 10843840 in words is "ten million, eight hundred forty-three thousand, eight hundred forty".