28550802 has 16 divisors (see below), whose sum is σ = 65259072. Its totient is φ = 8157360.

The previous prime is 28550789. The next prime is 28550807. The reversal of 28550802 is 20805582.

It is a self number, because there is not a number n which added to its sum of digits gives 28550802.

It is not an unprimeable number, because it can be changed into a prime (28550807) 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 7 ways as a sum of consecutive naturals, for example, 339849 + ... + 339932.

It is an arithmetic number, because the mean of its divisors is an integer number (4078692).

Almost surely, 2^28550802 is an apocalyptic number.

28550802 is an abundant number, since it is smaller than the sum of its proper divisors (36708270).

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

28550802 is a wasteful number, since it uses less digits than its factorization.

28550802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679793.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 28550802 is about 5343.2950508090. The cubic root of 28550802 is about 305.6371237783.

The spelling of 28550802 in words is "twenty-eight million, five hundred fifty thousand, eight hundred two".