485220 has 24 divisors (see below), whose sum is σ = 1358784. Its totient is φ = 129376.

The previous prime is 485209. The next prime is 485263. The reversal of 485220 is 22584.

It is an unprimeable number.

485220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (56616).

2⁴⁸⁵²²⁰ is an apocalyptic number.

It is an amenable number.

485220 is an abundant number, since it is smaller than the sum of its proper divisors (873564).

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

485220 is a wasteful number, since it uses less digits than its factorization.

485220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 485220 is about 696.5773467462. The cubic root of 485220 is about 78.5801580226.

The spelling of 485220 in words is "four hundred eighty-five thousand, two hundred twenty".