28248363 has 48 divisors (see below), whose sum is σ = 49061376. Its totient is φ = 15433920.

The previous prime is 28248361. The next prime is 28248379. The reversal of 28248363 is 36384282.

It is not a de Polignac number, because 28248363 - 2¹ = 28248361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28248361) 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 47 ways as a sum of consecutive naturals, for example, 60256 + ... + 60722.

It is an arithmetic number, because the mean of its divisors is an integer number (1022112).

Almost surely, 2^28248363 is an apocalyptic number.

28248363 is a deficient number, since it is larger than the sum of its proper divisors (20813013).

28248363 is a wasteful number, since it uses less digits than its factorization.

28248363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 541 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28248363 is about 5314.9189081302. The cubic root of 28248363 is about 304.5540845634.

The spelling of 28248363 in words is "twenty-eight million, two hundred forty-eight thousand, three hundred sixty-three".