299469312 has 240 divisors, whose sum is σ = 938377440. Its totient is φ = 95219712.

The previous prime is 299469311. The next prime is 299469319. The reversal of 299469312 is 213964992.

It is a happy number.

299469312 is a `hidden beast` number, since 299 + 46 + 9 + 312 = 666.

299469312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299469311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3608023 + ... + 3608105.

It is an arithmetic number, because the mean of its divisors is an integer number (3909906).

Almost surely, 2^299469312 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 299469312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469188720).

299469312 is an abundant number, since it is smaller than the sum of its proper divisors (638908128).

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

299469312 is an frugal number, since it uses more digits than its factorization.

299469312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 117 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 299469312 is about 17305.1816517481. The cubic root of 299469312 is about 669.0379837269.

The spelling of 299469312 in words is "two hundred ninety-nine million, four hundred sixty-nine thousand, three hundred twelve".