28674648 has 160 divisors (see below), whose sum is σ = 90169200. Its totient is φ = 8460288.

The previous prime is 28674647. The next prime is 28674671. The reversal of 28674648 is 84647682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28674641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209236 + ... + 209372.

Almost surely, 2^28674648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28674648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45084600).

28674648 is an abundant number, since it is smaller than the sum of its proper divisors (61494552).

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

28674648 is a wasteful number, since it uses less digits than its factorization.

28674648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 178 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 28674648 is about 5354.8714270279. The cubic root of 28674648 is about 306.0784112783.

The spelling of 28674648 in words is "twenty-eight million, six hundred seventy-four thousand, six hundred forty-eight".