299425408 has 128 divisors (see below), whose sum is σ = 674179200. Its totient is φ = 131788800.

The previous prime is 299425397. The next prime is 299425409. The reversal of 299425408 is 804524992.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (299425409) 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, 2964558 + ... + 2964658.

It is an arithmetic number, because the mean of its divisors is an integer number (5267025).

Almost surely, 2^299425408 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 299425408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337089600).

299425408 is an abundant number, since it is smaller than the sum of its proper divisors (374753792).

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

299425408 is a wasteful number, since it uses less digits than its factorization.

299425408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 299425408 is about 17303.9130834618. The cubic root of 299425408 is about 669.0052871332.

The spelling of 299425408 in words is "two hundred ninety-nine million, four hundred twenty-five thousand, four hundred eight".