28348299 has 60 divisors (see below), whose sum is σ = 51708624. Its totient is φ = 15158016.

The previous prime is 28348289. The next prime is 28348321. The reversal of 28348299 is 99284382.

28348299 is a `hidden beast` number, since 2 + 83 + 482 + 99 = 666.

It is not a de Polignac number, because 28348299 - 2⁵ = 28348267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28348219) 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 59 ways as a sum of consecutive naturals, for example, 163777 + ... + 163949.

Almost surely, 2^28348299 is an apocalyptic number.

28348299 is a deficient number, since it is larger than the sum of its proper divisors (23360325).

28348299 is a wasteful number, since it uses less digits than its factorization.

28348299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 200 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 28348299 is about 5324.3120682394. The cubic root of 28348299 is about 304.9128085443.

The spelling of 28348299 in words is "twenty-eight million, three hundred forty-eight thousand, two hundred ninety-nine".