1841856 has 56 divisors (see below), whose sum is σ = 4992624. Its totient is φ = 599040.

The previous prime is 1841849. The next prime is 1841857. The reversal of 1841856 is 6581481.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1841857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10086 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (89154).

2^1841856 is an apocalyptic number.

1841856 is a gapful number since it is divisible by the number (16) 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 1841856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2496312).

1841856 is an abundant number, since it is smaller than the sum of its proper divisors (3150768).

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

1841856 is a wasteful number, since it uses less digits than its factorization.

1841856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 239 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 1841856 is about 1357.1499548687. The cubic root of 1841856 is about 122.5797010144.

The spelling of 1841856 in words is "one million, eight hundred forty-one thousand, eight hundred fifty-six".