28896080 has 30 divisors (see below), whose sum is σ = 67295358. Its totient is φ = 11539200.

The previous prime is 28896079. The next prime is 28896083. The reversal of 28896080 is 8069882.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11888704 + 17007376 = 3448^2 + 4124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28896083) 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 5 ways as a sum of consecutive naturals, for example, 47780 + ... + 48380.

Almost surely, 2^28896080 is an apocalyptic number.

28896080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28896080 is an abundant number, since it is smaller than the sum of its proper divisors (38399278).

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

28896080 is an frugal number, since it uses more digits than its factorization.

28896080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 28896080 is about 5375.5074179095. The cubic root of 28896080 is about 306.8642603913.

The spelling of 28896080 in words is "twenty-eight million, eight hundred ninety-six thousand, eighty".