1822984 has 8 divisors (see below), whose sum is σ = 3418110. Its totient is φ = 911488.

The previous prime is 1822981. The next prime is 1822999. The reversal of 1822984 is 4892281.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 484 = 1350^2 + 22^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1822981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113929 + ... + 113944.

2^1822984 is an apocalyptic number.

It is an amenable number.

1822984 is a deficient number, since it is larger than the sum of its proper divisors (1595126).

1822984 is a wasteful number, since it uses less digits than its factorization.

1822984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227879 (or 227875 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 1822984 is about 1350.1792473594. The cubic root of 1822984 is about 122.1596047784.

The spelling of 1822984 in words is "one million, eight hundred twenty-two thousand, nine hundred eighty-four".