485810 has 32 divisors (see below), whose sum is σ = 976752. Its totient is φ = 172800.

The previous prime is 485777. The next prime is 485819. The reversal of 485810 is 18584.

It is a Cunningham number, because it is equal to 697²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 361201 + 124609 = 601^2 + 353^2 .

It is a super-2 number, since 2×485810² = 472022712200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 485810.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485819) by changing a digit.

485810 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 15 ways as a sum of consecutive naturals, for example, 4760 + ... + 4860.

2⁴⁸⁵⁸¹⁰ is an apocalyptic number.

485810 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

485810 is a wasteful number, since it uses less digits than its factorization.

485810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 485810 is about 697.0007173597. Note that the first 3 decimals coincide. The cubic root of 485810 is about 78.6119947940.

The spelling of 485810 in words is "four hundred eighty-five thousand, eight hundred ten".