28500302 has 4 divisors (see below), whose sum is σ = 42750456. Its totient is φ = 14250150.

The previous prime is 28500299. The next prime is 28500317. The reversal of 28500302 is 20300582.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7125074 + ... + 7125077.

It is an arithmetic number, because the mean of its divisors is an integer number (10687614).

Almost surely, 2^28500302 is an apocalyptic number.

28500302 is a deficient number, since it is larger than the sum of its proper divisors (14250154).

28500302 is a wasteful number, since it uses less digits than its factorization.

28500302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14250153.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 28500302 is about 5338.5674108322. The cubic root of 28500302 is about 305.4568161303.

Adding to 28500302 its reverse (20300582), we get a palindrome (48800884).

The spelling of 28500302 in words is "twenty-eight million, five hundred thousand, three hundred two".