28096992 has 216 divisors, whose sum is σ = 101955672. Its totient is φ = 7257600.

The previous prime is 28096987. The next prime is 28096993. The reversal of 28096992 is 29969082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28096993) 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 35 ways as a sum of consecutive naturals, for example, 155142 + ... + 155322.

It is an arithmetic number, because the mean of its divisors is an integer number (472017).

Almost surely, 2^28096992 is an apocalyptic number.

28096992 is a gapful number since it is divisible by the number (22) 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 28096992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50977836).

28096992 is an abundant number, since it is smaller than the sum of its proper divisors (73858680).

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

28096992 is a wasteful number, since it uses less digits than its factorization.

28096992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 28096992 is about 5300.6595815993. The cubic root of 28096992 is about 304.0091179167.

It can be divided in two parts, 2809 and 6992, that added together give a square (9801 = 99²).

The spelling of 28096992 in words is "twenty-eight million, ninety-six thousand, nine hundred ninety-two".