28352808 has 64 divisors (see below), whose sum is σ = 85924800. Its totient is φ = 8591040.

The previous prime is 28352801. The next prime is 28352839. The reversal of 28352808 is 80825382.

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 (28352801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591 + ... + 8342.

It is an arithmetic number, because the mean of its divisors is an integer number (1342575).

Almost surely, 2^28352808 is an apocalyptic number.

It is an amenable number.

28352808 is an abundant number, since it is smaller than the sum of its proper divisors (57571992).

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

28352808 is a wasteful number, since it uses less digits than its factorization.

28352808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959 (or 11949 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 28352808 is about 5324.7354863880. The cubic root of 28352808 is about 304.9289738760.

It can be divided in two parts, 28 and 352808, that added together give a square (352836 = 594²).

The spelling of 28352808 in words is "twenty-eight million, three hundred fifty-two thousand, eight hundred eight".