28363148 has 12 divisors (see below), whose sum is σ = 54147912. Its totient is φ = 12892320.

The previous prime is 28363079. The next prime is 28363183. The reversal of 28363148 is 84136382.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322265 + ... + 322352.

It is an arithmetic number, because the mean of its divisors is an integer number (4512326).

Almost surely, 2^28363148 is an apocalyptic number.

It is an amenable number.

28363148 is a deficient number, since it is larger than the sum of its proper divisors (25784764).

28363148 is a wasteful number, since it uses less digits than its factorization.

28363148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644632 (or 644630 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 28363148 is about 5325.7063381302. The cubic root of 28363148 is about 304.9660376051.

The spelling of 28363148 in words is "twenty-eight million, three hundred sixty-three thousand, one hundred forty-eight".