28733966 has 16 divisors (see below), whose sum is σ = 45657600. Its totient is φ = 13524408.

The previous prime is 28733963. The next prime is 28733977. The reversal of 28733966 is 66933782.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28733963) 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 7 ways as a sum of consecutive naturals, for example, 3875 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (2853600).

Almost surely, 2^28733966 is an apocalyptic number.

28733966 is a deficient number, since it is larger than the sum of its proper divisors (16923634).

28733966 is a wasteful number, since it uses less digits than its factorization.

28733966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its digits is 326592, while the sum is 44.

The square root of 28733966 is about 5360.4072606473. The cubic root of 28733966 is about 306.2893229529.

The spelling of 28733966 in words is "twenty-eight million, seven hundred thirty-three thousand, nine hundred sixty-six".