1841984 has 28 divisors (see below), whose sum is σ = 3872484. Its totient is φ = 866304.

The previous prime is 1841969. The next prime is 1842011. The reversal of 1841984 is 4891481.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 760384 = 1040^2 + 872^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 1934.

It is an arithmetic number, because the mean of its divisors is an integer number (138303).

2^1841984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1841984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1936242).

1841984 is an abundant number, since it is smaller than the sum of its proper divisors (2030500).

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

1841984 is a wasteful number, since it uses less digits than its factorization.

1841984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1712 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 1841984 is about 1357.1971116975. The cubic root of 1841984 is about 122.5825405122.

The spelling of 1841984 in words is "one million, eight hundred forty-one thousand, nine hundred eighty-four".