300479985 has 24 divisors (see below), whose sum is σ = 560897064. Its totient is φ = 147928320.

The previous prime is 300479957. The next prime is 300479989. The reversal of 300479985 is 589974003.

It can be written as a sum of positive squares in 4 ways, for example, as 3538161 + 296941824 = 1881^2 + 17232^2 .

It is not a de Polignac number, because 300479985 - 2⁵ = 300479953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 300479985.

It is not an unprimeable number, because it can be changed into a prime (300479989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256236 + ... + 257405.

It is an arithmetic number, because the mean of its divisors is an integer number (23370711).

Almost surely, 2^300479985 is an apocalyptic number.

It is an amenable number.

300479985 is a deficient number, since it is larger than the sum of its proper divisors (260417079).

300479985 is a wasteful number, since it uses less digits than its factorization.

300479985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513665 (or 513662 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 300479985 is about 17334.3585113496. The cubic root of 300479985 is about 669.7897795961.

The spelling of 300479985 in words is "three hundred million, four hundred seventy-nine thousand, nine hundred eighty-five".