28141248 has 56 divisors (see below), whose sum is σ = 75232768. Its totient is φ = 9282816.

The previous prime is 28141247. The next prime is 28141279. The reversal of 28141248 is 84214182.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28141241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19065 + ... + 20487.

Almost surely, 2^28141248 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 28141248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37616384).

28141248 is an abundant number, since it is smaller than the sum of its proper divisors (47091520).

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

28141248 is a wasteful number, since it uses less digits than its factorization.

28141248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1531 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 28141248 is about 5304.8325138500. The cubic root of 28141248 is about 304.1686506491.

The spelling of 28141248 in words is "twenty-eight million, one hundred forty-one thousand, two hundred forty-eight".