299693985 has 16 divisors (see below), whose sum is σ = 479837760. Its totient is φ = 159727680.

The previous prime is 299693971. The next prime is 299693987. The reversal of 299693985 is 589396992.

It is not a de Polignac number, because 299693985 - 2⁶ = 299693921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (299693987) 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 15 ways as a sum of consecutive naturals, for example, 19050 + ... + 31020.

It is an arithmetic number, because the mean of its divisors is an integer number (29989860).

Almost surely, 2^299693985 is an apocalyptic number.

It is an amenable number.

299693985 is a deficient number, since it is larger than the sum of its proper divisors (180143775).

299693985 is a wasteful number, since it uses less digits than its factorization.

299693985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13648.

The product of its digits is 9447840, while the sum is 60.

The square root of 299693985 is about 17311.6719296549. The cubic root of 299693985 is about 669.2052542840.

The spelling of 299693985 in words is "two hundred ninety-nine million, six hundred ninety-three thousand, nine hundred eighty-five".