28246648 has 16 divisors (see below), whose sum is σ = 53234280. Its totient is φ = 14050848.

The previous prime is 28246637. The next prime is 28246649. The reversal of 28246648 is 84664282.

It is a self number, because there is not a number n which added to its sum of digits gives 28246648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28246649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7386 + ... + 10537.

Almost surely, 2^28246648 is an apocalyptic number.

It is an amenable number.

28246648 is a deficient number, since it is larger than the sum of its proper divisors (24987632).

28246648 is a wasteful number, since it uses less digits than its factorization.

28246648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18126 (or 18122 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 28246648 is about 5314.7575673778. The cubic root of 28246648 is about 304.5479211287.

The spelling of 28246648 in words is "twenty-eight million, two hundred forty-six thousand, six hundred forty-eight".