28332766 has 16 divisors (see below), whose sum is σ = 52986240. Its totient is φ = 11038680.

The previous prime is 28332751. The next prime is 28332847. The reversal of 28332766 is 66723382.

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, 91836 + ... + 92143.

It is an arithmetic number, because the mean of its divisors is an integer number (3311640).

Almost surely, 2^28332766 is an apocalyptic number.

28332766 is a deficient number, since it is larger than the sum of its proper divisors (24653474).

28332766 is a wasteful number, since it uses less digits than its factorization.

28332766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183999.

The product of its digits is 72576, while the sum is 37.

The square root of 28332766 is about 5322.8531822698. The cubic root of 28332766 is about 304.8571076601.

The spelling of 28332766 in words is "twenty-eight million, three hundred thirty-two thousand, seven hundred sixty-six".