299328420 has 48 divisors (see below), whose sum is σ = 846776448. Its totient is φ = 78996480.

The previous prime is 299328373. The next prime is 299328427. The reversal of 299328420 is 24823992.

It is a happy number.

299328420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (299328427) 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, 19896 + ... + 31535.

It is an arithmetic number, because the mean of its divisors is an integer number (17641176).

Almost surely, 2^299328420 is an apocalyptic number.

299328420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299328420 is an abundant number, since it is smaller than the sum of its proper divisors (547448028).

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

299328420 is a wasteful number, since it uses less digits than its factorization.

299328420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51540 (or 51538 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 299328420 is about 17301.1103689908. The cubic root of 299328420 is about 668.9330460006.

It can be divided in two parts, 2993 and 28420, that added together give a palindrome (31413).

The spelling of 299328420 in words is "two hundred ninety-nine million, three hundred twenty-eight thousand, four hundred twenty".