485881 has 4 divisors (see below), whose sum is σ = 530064. Its totient is φ = 441700.

The previous prime is 485833. The next prime is 485893. The reversal of 485881 is 188584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 485881 - 2⁷ = 485753 is a prime.

It is a super-2 number, since 2×485881² = 472160692322, which contains 22 as substring.

It is a Duffinian number.

485881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (485831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22075 + ... + 22096.

It is an arithmetic number, because the mean of its divisors is an integer number (132516).

2⁴⁸⁵⁸⁸¹ is an apocalyptic number.

It is an amenable number.

485881 is a deficient number, since it is larger than the sum of its proper divisors (44183).

485881 is a wasteful number, since it uses less digits than its factorization.

485881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44182.

The product of its digits is 10240, while the sum is 34.

The square root of 485881 is about 697.0516480147. The cubic root of 485881 is about 78.6158242608.

It can be divided in two parts, 48 and 5881, that added together give a square (5929 = 77²).

The spelling of 485881 in words is "four hundred eighty-five thousand, eight hundred eighty-one".