481866 has 48 divisors (see below), whose sum is σ = 1231200. Its totient is φ = 124320.

The previous prime is 481861. The next prime is 481867. The reversal of 481866 is 668184.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (481861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3160 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2⁴⁸¹⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615600).

481866 is an abundant number, since it is smaller than the sum of its proper divisors (749334).

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

481866 is a wasteful number, since it uses less digits than its factorization.

481866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 172 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 481866 is about 694.1656862738. The cubic root of 481866 is about 78.3986819506.

It can be divided in two parts, 4818 and 66, that added together give a palindrome (4884).

The spelling of 481866 in words is "four hundred eighty-one thousand, eight hundred sixty-six".