28784802 has 64 divisors (see below), whose sum is σ = 62853120. Its totient is φ = 8769600.

The previous prime is 28784801. The next prime is 28784803. The reversal of 28784802 is 20848782.

It is an interprime number because it is at equal distance from previous prime (28784801) and next prime (28784803).

It is not an unprimeable number, because it can be changed into a prime (28784801) 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 31 ways as a sum of consecutive naturals, for example, 471852 + ... + 471912.

It is an arithmetic number, because the mean of its divisors is an integer number (982080).

Almost surely, 2^28784802 is an apocalyptic number.

28784802 is an abundant number, since it is smaller than the sum of its proper divisors (34068318).

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

28784802 is a wasteful number, since it uses less digits than its factorization.

28784802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 28784802 is about 5365.1469690960. The cubic root of 28784802 is about 306.4698450871.

The spelling of 28784802 in words is "twenty-eight million, seven hundred eighty-four thousand, eight hundred two".