484821984 has 48 divisors (see below), whose sum is σ = 1280506752. Its totient is φ = 160610688.

The previous prime is 484821979. The next prime is 484822001. The reversal of 484821984 is 489128484.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 31139.

It is an arithmetic number, because the mean of its divisors is an integer number (26677224).

Almost surely, 2^484821984 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 484821984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640253376).

484821984 is an abundant number, since it is smaller than the sum of its proper divisors (795684768).

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

484821984 is a wasteful number, since it uses less digits than its factorization.

484821984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31159 (or 31151 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The square root of 484821984 is about 22018.6735295294. The cubic root of 484821984 is about 785.5866624858.

The spelling of 484821984 in words is "four hundred eighty-four million, eight hundred twenty-one thousand, nine hundred eighty-four".