1984422 has 32 divisors (see below), whose sum is σ = 4385664. Its totient is φ = 593600.

The previous prime is 1984399. The next prime is 1984429. The reversal of 1984422 is 2244891.

It is a self number, because there is not a number n which added to its sum of digits gives 1984422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984429) 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, 6922 + ... + 7202.

It is an arithmetic number, because the mean of its divisors is an integer number (137052).

2^1984422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1984422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192832).

1984422 is an abundant number, since it is smaller than the sum of its proper divisors (2401242).

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

1984422 is a wasteful number, since it uses less digits than its factorization.

1984422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 4608, while the sum is 30.

The square root of 1984422 is about 1408.6951409017. The cubic root of 1984422 is about 125.6641344872.

The spelling of 1984422 in words is "one million, nine hundred eighty-four thousand, four hundred twenty-two".