484911820 has 24 divisors (see below), whose sum is σ = 1019408544. Its totient is φ = 193756416.

The previous prime is 484911793. The next prime is 484911821. The reversal of 484911820 is 28119484.

It is a self number, because there is not a number n which added to its sum of digits gives 484911820.

It is not an unprimeable number, because it can be changed into a prime (484911821) 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, 6804 + ... + 31876.

It is an arithmetic number, because the mean of its divisors is an integer number (42475356).

Almost surely, 2^484911820 is an apocalyptic number.

It is an amenable number.

484911820 is an abundant number, since it is smaller than the sum of its proper divisors (534496724).

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

484911820 is a wasteful number, since it uses less digits than its factorization.

484911820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26049 (or 26047 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 484911820 is about 22020.7134307679. The cubic root of 484911820 is about 785.6351817411.

The spelling of 484911820 in words is "four hundred eighty-four million, nine hundred eleven thousand, eight hundred twenty".