28882260 has 144 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 6746880.

The previous prime is 28882247. The next prime is 28882267. The reversal of 28882260 is 6228882.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28882267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57169 + ... + 57671.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^28882260 is an apocalyptic number.

28882260 is a gapful number since it is divisible by the number (20) 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 28882260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49533120).

28882260 is an abundant number, since it is smaller than the sum of its proper divisors (70183980).

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

28882260 is a wasteful number, since it uses less digits than its factorization.

28882260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 28882260 is about 5374.2218041313. The cubic root of 28882260 is about 306.8153317206.

It can be divided in two parts, 288822 and 60, that added together give a palindrome (288882).

The spelling of 28882260 in words is "twenty-eight million, eight hundred eighty-two thousand, two hundred sixty".