28300302 has 12 divisors (see below), whose sum is σ = 61317360. Its totient is φ = 9433428.

The previous prime is 28300297. The next prime is 28300313. The reversal of 28300302 is 20300382.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1572239 = 28300302 / (2 + 8 + 3 + 0 + 0 + 3 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786102 + ... + 786137.

It is an arithmetic number, because the mean of its divisors is an integer number (5109780).

Almost surely, 2^28300302 is an apocalyptic number.

28300302 is an abundant number, since it is smaller than the sum of its proper divisors (33017058).

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

28300302 is a wasteful number, since it uses less digits than its factorization.

28300302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572247 (or 1572244 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 28300302 is about 5319.8028158946. The cubic root of 28300302 is about 304.7406269332.

Adding to 28300302 its reverse (20300382), we get a palindrome (48600684).

The spelling of 28300302 in words is "twenty-eight million, three hundred thousand, three hundred two".