28547248 has 10 divisors (see below), whose sum is σ = 55310324. Its totient is φ = 14273616.

The previous prime is 28547237. The next prime is 28547251. The reversal of 28547248 is 84274582.

It is a self number, because there is not a number n which added to its sum of digits gives 28547248.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 892086 + ... + 892117.

Almost surely, 2^28547248 is an apocalyptic number.

It is an amenable number.

28547248 is a deficient number, since it is larger than the sum of its proper divisors (26763076).

28547248 is a wasteful number, since it uses less digits than its factorization.

28547248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784211 (or 1784205 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The square root of 28547248 is about 5342.9624741336. The cubic root of 28547248 is about 305.6244413627.

The spelling of 28547248 in words is "twenty-eight million, five hundred forty-seven thousand, two hundred forty-eight".