299991916 has 48 divisors (see below), whose sum is σ = 627278400. Its totient is φ = 125408640.

The previous prime is 299991869. The next prime is 299991919. The reversal of 299991916 is 619199992.

It is not an unprimeable number, because it can be changed into a prime (299991919) 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 15 ways as a sum of consecutive naturals, for example, 53586 + ... + 58918.

It is an arithmetic number, because the mean of its divisors is an integer number (13068300).

Almost surely, 2^299991916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299991916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313639200).

299991916 is an abundant number, since it is smaller than the sum of its proper divisors (327286484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299991916 is a wasteful number, since it uses less digits than its factorization.

299991916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399 (or 5383 counting only the distinct ones).

The product of its digits is 708588, while the sum is 55.

The square root of 299991916 is about 17320.2747091378. The cubic root of 299991916 is about 669.4269370326.

The spelling of 299991916 in words is "two hundred ninety-nine million, nine hundred ninety-one thousand, nine hundred sixteen".