28846080 has 144 divisors (see below), whose sum is σ = 100294740. Its totient is φ = 7667712.

The previous prime is 28846067. The next prime is 28846091. The reversal of 28846080 is 8064882.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 4875264 = 4896^2 + 2208^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92004 + ... + 92316.

Almost surely, 2^28846080 is an apocalyptic number.

28846080 is a gapful number since it is divisible by the number (20) 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 28846080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50147370).

28846080 is an abundant number, since it is smaller than the sum of its proper divisors (71448660).

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

28846080 is a wasteful number, since it uses less digits than its factorization.

28846080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 28846080 is about 5370.8546805886. The cubic root of 28846080 is about 306.6871651914.

The spelling of 28846080 in words is "twenty-eight million, eight hundred forty-six thousand, eighty".