28983296 has 60 divisors (see below), whose sum is σ = 60946620. Its totient is φ = 13762560.

The previous prime is 28983293. The next prime is 28983313. The reversal of 28983296 is 69238982.

It can be written as a sum of positive squares in 2 ways, for example, as 6553600 + 22429696 = 2560^2 + 4736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28983296.

It is not an unprimeable number, because it can be changed into a prime (28983293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475106 + ... + 475166.

It is an arithmetic number, because the mean of its divisors is an integer number (1015777).

Almost surely, 2^28983296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28983296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30473310).

28983296 is an abundant number, since it is smaller than the sum of its proper divisors (31963324).

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

28983296 is an frugal number, since it uses more digits than its factorization.

28983296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 92 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 28983296 is about 5383.6136562722. The cubic root of 28983296 is about 307.1726827561.

The spelling of 28983296 in words is "twenty-eight million, nine hundred eighty-three thousand, two hundred ninety-six".