485641 has 4 divisors (see below), whose sum is σ = 523012. Its totient is φ = 448272.

The previous prime is 485609. The next prime is 485647. The reversal of 485641 is 146584.

It is the 285-th star number.

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 90000 + 395641 = 300^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 485641 - 2⁵ = 485609 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18666 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (130753).

2⁴⁸⁵⁶⁴¹ is an apocalyptic number.

It is an amenable number.

485641 is a deficient number, since it is larger than the sum of its proper divisors (37371).

485641 is a wasteful number, since it uses less digits than its factorization.

485641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37370.

The product of its digits is 3840, while the sum is 28.

The square root of 485641 is about 696.8794730798. The cubic root of 485641 is about 78.6028780831.

The spelling of 485641 in words is "four hundred eighty-five thousand, six hundred forty-one".