299681944 has 16 divisors (see below), whose sum is σ = 577090800. Its totient is φ = 145791072.

The previous prime is 299681939. The next prime is 299681947. The reversal of 299681944 is 449186992.

It is a junction number, because it is equal to n+sod(n) for n = 299681891 and 299681900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299681947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505924 + ... + 506515.

It is an arithmetic number, because the mean of its divisors is an integer number (36068175).

Almost surely, 2^299681944 is an apocalyptic number.

It is an amenable number.

299681944 is a deficient number, since it is larger than the sum of its proper divisors (277408856).

299681944 is a wasteful number, since it uses less digits than its factorization.

299681944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012482 (or 1012478 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 299681944 is about 17311.3241550148. The cubic root of 299681944 is about 669.1962917992.

The spelling of 299681944 in words is "two hundred ninety-nine million, six hundred eighty-one thousand, nine hundred forty-four".