299421168 has 80 divisors (see below), whose sum is σ = 809653536. Its totient is φ = 95247360.

The previous prime is 299421167. The next prime is 299421173. The reversal of 299421168 is 861124992.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299421167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92538 + ... + 95718.

Almost surely, 2^299421168 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 299421168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404826768).

299421168 is an abundant number, since it is smaller than the sum of its proper divisors (510232368).

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

299421168 is a wasteful number, since it uses less digits than its factorization.

299421168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282 (or 3276 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 299421168 is about 17303.7905673873. The cubic root of 299421168 is about 669.0021293119.

The spelling of 299421168 in words is "two hundred ninety-nine million, four hundred twenty-one thousand, one hundred sixty-eight".