484521990 has 16 divisors (see below), whose sum is σ = 1162852848. Its totient is φ = 129205856.

The previous prime is 484521953. The next prime is 484521997. The reversal of 484521990 is 99125484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (484521997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8075337 + ... + 8075396.

It is an arithmetic number, because the mean of its divisors is an integer number (72678303).

Almost surely, 2^484521990 is an apocalyptic number.

484521990 is an abundant number, since it is smaller than the sum of its proper divisors (678330858).

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

484521990 is a wasteful number, since it uses less digits than its factorization.

484521990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150743.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 484521990 is about 22011.8602121674. The cubic root of 484521990 is about 785.4245961889.

The spelling of 484521990 in words is "four hundred eighty-four million, five hundred twenty-one thousand, nine hundred ninety".