485309 has 4 divisors (see below), whose sum is σ = 529440. Its totient is φ = 441180.

The previous prime is 485263. The next prime is 485311. The reversal of 485309 is 903584.

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 485309 - 2⁸ = 485053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 485309.

It is not an unprimeable number, because it can be changed into a prime (485389) 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, 22049 + ... + 22070.

It is an arithmetic number, because the mean of its divisors is an integer number (132360).

2⁴⁸⁵³⁰⁹ is an apocalyptic number.

It is an amenable number.

485309 is a deficient number, since it is larger than the sum of its proper divisors (44131).

485309 is a wasteful number, since it uses less digits than its factorization.

485309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44130.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 485309 is about 696.6412276057. The cubic root of 485309 is about 78.5849621709.

The spelling of 485309 in words is "four hundred eighty-five thousand, three hundred nine".