28268048 has 20 divisors (see below), whose sum is σ = 57652560. Its totient is φ = 13389984.

The previous prime is 28268047. The next prime is 28268087. The reversal of 28268048 is 84086282.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (28268047) 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, 46190 + ... + 46797.

It is an arithmetic number, because the mean of its divisors is an integer number (2882628).

Almost surely, 2^28268048 is an apocalyptic number.

It is an amenable number.

28268048 is an abundant number, since it is smaller than the sum of its proper divisors (29384512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28268048 is a wasteful number, since it uses less digits than its factorization.

28268048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93014 (or 93008 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 28268048 is about 5316.7704483079. The cubic root of 28268048 is about 304.6248114360.

The spelling of 28268048 in words is "twenty-eight million, two hundred sixty-eight thousand, forty-eight".