28845782 has 16 divisors (see below), whose sum is σ = 49638912. Its totient is φ = 12315240.

The previous prime is 28845769. The next prime is 28845793. The reversal of 28845782 is 28754882.

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 7 ways as a sum of consecutive naturals, for example, 8 + ... + 7595.

It is an arithmetic number, because the mean of its divisors is an integer number (3102432).

Almost surely, 2^28845782 is an apocalyptic number.

28845782 is a deficient number, since it is larger than the sum of its proper divisors (20793130).

28845782 is a wasteful number, since it uses less digits than its factorization.

28845782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7883.

The product of its digits is 286720, while the sum is 44.

The square root of 28845782 is about 5370.8269381912. The cubic root of 28845782 is about 306.6861090908.

The spelling of 28845782 in words is "twenty-eight million, eight hundred forty-five thousand, seven hundred eighty-two".