468399985 has 4 divisors (see below), whose sum is σ = 562079988. Its totient is φ = 374719984.

The previous prime is 468399973. The next prime is 468400001. The reversal of 468399985 is 589993864.

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 176810209 + 291589776 = 13297^2 + 17076^2 .

It is a cyclic number.

It is not a de Polignac number, because 468399985 - 2¹⁹ = 467875697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46839994 + ... + 46840003.

It is an arithmetic number, because the mean of its divisors is an integer number (140519997).

Almost surely, 2^468399985 is an apocalyptic number.

It is an amenable number.

468399985 is a deficient number, since it is larger than the sum of its proper divisors (93680003).

468399985 is an equidigital number, since it uses as much as digits as its factorization.

468399985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93680002.

The product of its digits is 16796160, while the sum is 61.

The square root of 468399985 is about 21642.5503349305. The cubic root of 468399985 is about 776.6147311470.

The spelling of 468399985 in words is "four hundred sixty-eight million, three hundred ninety-nine thousand, nine hundred eighty-five".