485646 has 32 divisors (see below), whose sum is σ = 1148928. Its totient is φ = 133920.

The previous prime is 485609. The next prime is 485647. The reversal of 485646 is 646584.

It is a happy number.

It is a congruent number.

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

485646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (35904).

2⁴⁸⁵⁶⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574464).

485646 is an abundant number, since it is smaller than the sum of its proper divisors (663282).

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

485646 is a wasteful number, since it uses less digits than its factorization.

485646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 23040, while the sum is 33.

The square root of 485646 is about 696.8830604915. The cubic root of 485646 is about 78.6031478386.

The spelling of 485646 in words is "four hundred eighty-five thousand, six hundred forty-six".