28803080 has 32 divisors (see below), whose sum is σ = 64972800. Its totient is φ = 11491776.

The previous prime is 28803059. The next prime is 28803091. The reversal of 28803080 is 8030882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21881 + ... + 23159.

It is an arithmetic number, because the mean of its divisors is an integer number (2030400).

Almost surely, 2^28803080 is an apocalyptic number.

28803080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28803080 is an abundant number, since it is smaller than the sum of its proper divisors (36169720).

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

28803080 is a wasteful number, since it uses less digits than its factorization.

28803080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 28803080 is about 5366.8501003848. The cubic root of 28803080 is about 306.5346995728.

The spelling of 28803080 in words is "twenty-eight million, eight hundred three thousand, eighty".