300128796 has 72 divisors (see below), whose sum is σ = 829810800. Its totient is φ = 90708480.

The previous prime is 300128789. The next prime is 300128797. The reversal of 300128796 is 697821003.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 300128796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300128797) 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, 200820 + ... + 202308.

It is an arithmetic number, because the mean of its divisors is an integer number (11525150).

Almost surely, 2^300128796 is an apocalyptic number.

300128796 is a gapful number since it is divisible by the number (36) 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 300128796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414905400).

300128796 is an abundant number, since it is smaller than the sum of its proper divisors (529682004).

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

300128796 is a wasteful number, since it uses less digits than its factorization.

300128796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 300128796 is about 17324.2256969828. The cubic root of 300128796 is about 669.5287366938.

Adding to 300128796 its reverse (697821003), we get a palindrome (997949799).

The spelling of 300128796 in words is "three hundred million, one hundred twenty-eight thousand, seven hundred ninety-six".