28192248 has 144 divisors (see below), whose sum is σ = 90965160. Its totient is φ = 7862400.

The previous prime is 28192217. The next prime is 28192249. The reversal of 28192248 is 84229182.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28192249) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 215143 + ... + 215273.

Almost surely, 2^28192248 is an apocalyptic number.

28192248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28192248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45482580).

28192248 is an abundant number, since it is smaller than the sum of its proper divisors (62772912).

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

28192248 is a wasteful number, since it uses less digits than its factorization.

28192248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 204 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 28192248 is about 5309.6372757468. The cubic root of 28192248 is about 304.3522866593.

It can be divided in two parts, 281 and 92248, that added together give a palindrome (92529).

The spelling of 28192248 in words is "twenty-eight million, one hundred ninety-two thousand, two hundred forty-eight".