469985 has 4 divisors (see below), whose sum is σ = 563988. Its totient is φ = 375984.

The previous prime is 469979. The next prime is 469993. The reversal of 469985 is 589964.

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 351649 + 118336 = 593^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 469985 - 2⁴ = 469969 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 46994 + ... + 47003.

It is an arithmetic number, because the mean of its divisors is an integer number (140997).

2⁴⁶⁹⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

469985 is a deficient number, since it is larger than the sum of its proper divisors (94003).

469985 is an equidigital number, since it uses as much as digits as its factorization.

469985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94002.

The product of its digits is 77760, while the sum is 41.

The square root of 469985 is about 685.5545200785. The cubic root of 469985 is about 77.7489738391.

Adding to 469985 its product of digits (77760), we get a palindrome (547745).

The spelling of 469985 in words is "four hundred sixty-nine thousand, nine hundred eighty-five".