459855985 has 4 divisors (see below), whose sum is σ = 551827188. Its totient is φ = 367884784.

The previous prime is 459855937. The next prime is 459855989. The reversal of 459855985 is 589558954.

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 99121936 + 360734049 = 9956^2 + 18993^2 .

It is a cyclic number.

It is not a de Polignac number, because 459855985 - 2⁷ = 459855857 is a prime.

It is a super-2 number, since 2×459855985² = 422935053880640450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459855989) 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, 45985594 + ... + 45985603.

It is an arithmetic number, because the mean of its divisors is an integer number (137956797).

Almost surely, 2^459855985 is an apocalyptic number.

It is an amenable number.

459855985 is a deficient number, since it is larger than the sum of its proper divisors (91971203).

459855985 is an equidigital number, since it uses as much as digits as its factorization.

459855985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91971202.

The product of its digits is 12960000, while the sum is 58.

The square root of 459855985 is about 21444.2529597093. The cubic root of 459855985 is about 771.8636954313.

The spelling of 459855985 in words is "four hundred fifty-nine million, eight hundred fifty-five thousand, nine hundred eighty-five".