28800318 has 8 divisors (see below), whose sum is σ = 57600648. Its totient is φ = 9600104.

The previous prime is 28800313. The next prime is 28800323. The reversal of 28800318 is 81300882.

It is an interprime number because it is at equal distance from previous prime (28800313) and next prime (28800323).

It is a sphenic number, since it is the product of 3 distinct primes.

28800318 is an admirable number.

It is a super-2 number, since 2×28800318² = 1658916633802248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28800313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400021 + ... + 2400032.

It is an arithmetic number, because the mean of its divisors is an integer number (7200081).

Almost surely, 2^28800318 is an apocalyptic number.

28800318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28800318 is a wasteful number, since it uses less digits than its factorization.

28800318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800058.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 28800318 is about 5366.5927738184. The cubic root of 28800318 is about 306.5249011310.

The spelling of 28800318 in words is "twenty-eight million, eight hundred thousand, three hundred eighteen".