28798202 has 8 divisors (see below), whose sum is σ = 43283700. Its totient is φ = 14370304.

The previous prime is 28798201. The next prime is 28798213. The reversal of 28798202 is 20289782.

It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 5285401 = 4849^2 + 2299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28798201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13127 + ... + 15162.

Almost surely, 2^28798202 is an apocalyptic number.

28798202 is a deficient number, since it is larger than the sum of its proper divisors (14485498).

28798202 is a wasteful number, since it uses less digits than its factorization.

28798202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28800.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 28798202 is about 5366.3956246255. The cubic root of 28798202 is about 306.5173940082.

It can be divided in two parts, 287 and 98202, that added together give a palindrome (98489).

The spelling of 28798202 in words is "twenty-eight million, seven hundred ninety-eight thousand, two hundred two".