28386792 has 96 divisors (see below), whose sum is σ = 88682880. Its totient is φ = 8035200.

The previous prime is 28386791. The next prime is 28386823. The reversal of 28386792 is 29768382.

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 (28386791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75918 + ... + 76290.

It is an arithmetic number, because the mean of its divisors is an integer number (923780).

Almost surely, 2^28386792 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 28386792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44341440).

28386792 is an abundant number, since it is smaller than the sum of its proper divisors (60296088).

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

28386792 is a wasteful number, since it uses less digits than its factorization.

28386792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 536 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 28386792 is about 5327.9256751573. The cubic root of 28386792 is about 305.0507556847.

The spelling of 28386792 in words is "twenty-eight million, three hundred eighty-six thousand, seven hundred ninety-two".