299729664 has 108 divisors (see below), whose sum is σ = 930764016. Its totient is φ = 92215296.

The previous prime is 299729663. The next prime is 299729707. The reversal of 299729664 is 466927992.

299729664 is a `hidden beast` number, since 299 + 7 + 296 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 299729664.

It is not an unprimeable number, because it can be changed into a prime (299729663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24949 + ... + 34955.

Almost surely, 2^299729664 is an apocalyptic number.

299729664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299729664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465382008).

299729664 is an abundant number, since it is smaller than the sum of its proper divisors (631034352).

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

299729664 is a wasteful number, since it uses less digits than its factorization.

299729664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042 (or 10025 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 299729664 is about 17312.7023887087. The cubic root of 299729664 is about 669.2318098462.

The spelling of 299729664 in words is "two hundred ninety-nine million, seven hundred twenty-nine thousand, six hundred sixty-four".