485323820 has 96 divisors (see below), whose sum is σ = 1119702528. Its totient is φ = 175951872.

The previous prime is 485323819. The next prime is 485323823. The reversal of 485323820 is 28323584.

It is not an unprimeable number, because it can be changed into a prime (485323823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2176229 + ... + 2176451.

It is an arithmetic number, because the mean of its divisors is an integer number (11663568).

Almost surely, 2^485323820 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 485323820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559851264).

485323820 is an abundant number, since it is smaller than the sum of its proper divisors (634378708).

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

485323820 is a wasteful number, since it uses less digits than its factorization.

485323820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 485323820 is about 22030.0662731640. The cubic root of 485323820 is about 785.8576208554.

The spelling of 485323820 in words is "four hundred eighty-five million, three hundred twenty-three thousand, eight hundred twenty".