28382334 has 8 divisors (see below), whose sum is σ = 56764680. Its totient is φ = 9460776.

The previous prime is 28382317. The next prime is 28382359. The reversal of 28382334 is 43328382.

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

28382334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28382295 and 28382304.

It is a congruent number.

It is an unprimeable number.

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, 2365189 + ... + 2365200.

It is an arithmetic number, because the mean of its divisors is an integer number (7095585).

Almost surely, 2^28382334 is an apocalyptic number.

28382334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28382334 is a wasteful number, since it uses less digits than its factorization.

28382334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730394.

The product of its digits is 27648, while the sum is 33.

The square root of 28382334 is about 5327.5072970386. The cubic root of 28382334 is about 305.0347859635.

The spelling of 28382334 in words is "twenty-eight million, three hundred eighty-two thousand, three hundred thirty-four".