28302888 has 16 divisors (see below), whose sum is σ = 70757280. Its totient is φ = 9434288.

The previous prime is 28302851. The next prime is 28302899. The reversal of 28302888 is 88820382.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589620 + ... + 589667.

It is an arithmetic number, because the mean of its divisors is an integer number (4422330).

Almost surely, 2^28302888 is an apocalyptic number.

It is an amenable number.

28302888 is an abundant number, since it is smaller than the sum of its proper divisors (42454392).

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

28302888 is a wasteful number, since it uses less digits than its factorization.

28302888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179296 (or 1179292 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 28302888 is about 5320.0458644640. The cubic root of 28302888 is about 304.7499087571.

The spelling of 28302888 in words is "twenty-eight million, three hundred two thousand, eight hundred eighty-eight".