485644 has 12 divisors (see below), whose sum is σ = 854784. Its totient is φ = 241424.

The previous prime is 485609. The next prime is 485647. The reversal of 485644 is 446584.

485644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (485647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (71232).

2⁴⁸⁵⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

485644 is a deficient number, since it is larger than the sum of its proper divisors (369140).

485644 is a wasteful number, since it uses less digits than its factorization.

485644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 702 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 485644 is about 696.8816255290. The cubic root of 485644 is about 78.6030399366.

Subtracting from 485644 its reverse (446584), we obtain a triangular number (39060 = T₂₇₉).

It can be divided in two parts, 4856 and 44, that added together give a square (4900 = 70²).

The spelling of 485644 in words is "four hundred eighty-five thousand, six hundred forty-four".