322989984 has 96 divisors (see below), whose sum is σ = 945161280. Its totient is φ = 107308800.

The previous prime is 322989973. The next prime is 322990007. The reversal of 322989984 is 489989223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 322989984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467079 + ... + 467769.

It is an arithmetic number, because the mean of its divisors is an integer number (9845430).

Almost surely, 2^322989984 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 322989984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472580640).

322989984 is an abundant number, since it is smaller than the sum of its proper divisors (622171296).

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

322989984 is a wasteful number, since it uses less digits than its factorization.

322989984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1237 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 322989984 is about 17971.9221008772. The cubic root of 322989984 is about 686.1141114675.

The spelling of 322989984 in words is "three hundred twenty-two million, nine hundred eighty-nine thousand, nine hundred eighty-four".