7984422 has 48 divisors (see below), whose sum is σ = 18345600. Its totient is φ = 2505600.

The previous prime is 7984421. The next prime is 7984423. The reversal of 7984422 is 2244897.

It is an interprime number because it is at equal distance from previous prime (7984421) and next prime (7984423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7984421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22704 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 2^7984422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7984422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9172800).

7984422 is an abundant number, since it is smaller than the sum of its proper divisors (10361178).

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

7984422 is a wasteful number, since it uses less digits than its factorization.

7984422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 426 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7984422 is about 2825.6719554824. The cubic root of 7984422 is about 199.8700989802.

The spelling of 7984422 in words is "seven million, nine hundred eighty-four thousand, four hundred twenty-two".