28182396 has 96 divisors (see below), whose sum is σ = 80075520. Its totient is φ = 7603200.

The previous prime is 28182373. The next prime is 28182397. The reversal of 28182396 is 69328182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28182397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42306 + ... + 42966.

It is an arithmetic number, because the mean of its divisors is an integer number (834120).

Almost surely, 2^28182396 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 28182396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40037760).

28182396 is an abundant number, since it is smaller than the sum of its proper divisors (51893124).

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

28182396 is a wasteful number, since it uses less digits than its factorization.

28182396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 28182396 is about 5308.7094476907. The cubic root of 28182396 is about 304.3168297720.

The spelling of 28182396 in words is "twenty-eight million, one hundred eighty-two thousand, three hundred ninety-six".