28802088 has 128 divisors (see below), whose sum is σ = 93772800. Its totient is φ = 8019648.

The previous prime is 28802087. The next prime is 28802093. The reversal of 28802088 is 88020882.

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

It is not an unprimeable number, because it can be changed into a prime (28802087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64795 + ... + 65237.

It is an arithmetic number, because the mean of its divisors is an integer number (732600).

Almost surely, 2^28802088 is an apocalyptic number.

28802088 is a gapful number since it is divisible by the number (28) 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 28802088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46886400).

28802088 is an abundant number, since it is smaller than the sum of its proper divisors (64970712).

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

28802088 is a wasteful number, since it uses less digits than its factorization.

28802088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 28802088 is about 5366.7576803877. The cubic root of 28802088 is about 306.5311804363.

The spelling of 28802088 in words is "twenty-eight million, eight hundred two thousand, eighty-eight".