1841860 has 48 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 673920.

The previous prime is 1841857. The next prime is 1841869. The reversal of 1841860 is 681481.

It is not an unprimeable number, because it can be changed into a prime (1841869) 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, 13995 + ... + 14125.

It is an arithmetic number, because the mean of its divisors is an integer number (87780).

2^1841860 is an apocalyptic number.

1841860 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 1841860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106720).

1841860 is an abundant number, since it is smaller than the sum of its proper divisors (2371580).

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

1841860 is a wasteful number, since it uses less digits than its factorization.

1841860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1841860 is about 1357.1514285444. The cubic root of 1841860 is about 122.5797897507.

It can be divided in two parts, 1841 and 860, that added together give a triangular number (2701 = T₇₃).

The spelling of 1841860 in words is "one million, eight hundred forty-one thousand, eight hundred sixty".