28382446 has 8 divisors (see below), whose sum is σ = 43271784. Its totient is φ = 13958520.

The previous prime is 28382443. The next prime is 28382449. The reversal of 28382446 is 64428382.

It is an interprime number because it is at equal distance from previous prime (28382443) and next prime (28382449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28382443) 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 3 ways as a sum of consecutive naturals, for example, 116200 + ... + 116443.

It is an arithmetic number, because the mean of its divisors is an integer number (5408973).

Almost surely, 2^28382446 is an apocalyptic number.

28382446 is a deficient number, since it is larger than the sum of its proper divisors (14889338).

28382446 is a wasteful number, since it uses less digits than its factorization.

28382446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232706.

The product of its digits is 73728, while the sum is 37.

The square root of 28382446 is about 5327.5178085108. The cubic root of 28382446 is about 305.0351871972.

The spelling of 28382446 in words is "twenty-eight million, three hundred eighty-two thousand, four hundred forty-six".