985199305 has 16 divisors (see below), whose sum is σ = 1247843520. Its totient is φ = 744648768.

The previous prime is 985199297. The next prime is 985199321. The reversal of 985199305 is 503991589.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 985199305 - 2³ = 985199297 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21534 + ... + 49336.

It is an arithmetic number, because the mean of its divisors is an integer number (77990220).

Almost surely, 2^985199305 is an apocalyptic number.

985199305 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

985199305 is a deficient number, since it is larger than the sum of its proper divisors (262644215).

985199305 is a wasteful number, since it uses less digits than its factorization.

985199305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28200.

The product of its (nonzero) digits is 437400, while the sum is 49.

The square root of 985199305 is about 31387.8846850182. The cubic root of 985199305 is about 995.0418928011.

The spelling of 985199305 in words is "nine hundred eighty-five million, one hundred ninety-nine thousand, three hundred five".