485845 has 4 divisors (see below), whose sum is σ = 583020. Its totient is φ = 388672.

The previous prime is 485833. The next prime is 485893. The reversal of 485845 is 548584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178929 + 306916 = 423^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 485845 - 2⁷ = 485717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48580 + ... + 48589.

It is an arithmetic number, because the mean of its divisors is an integer number (145755).

2⁴⁸⁵⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

485845 is a deficient number, since it is larger than the sum of its proper divisors (97175).

485845 is an equidigital number, since it uses as much as digits as its factorization.

485845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97174.

The product of its digits is 25600, while the sum is 34.

The square root of 485845 is about 697.0258244857. The cubic root of 485845 is about 78.6138826059.

It can be divided in two parts, 4 and 85845, that added together give a square (85849 = 293²).

The spelling of 485845 in words is "four hundred eighty-five thousand, eight hundred forty-five".