28922966 has 16 divisors (see below), whose sum is σ = 44188848. Its totient is φ = 14196000.

The previous prime is 28922963. The next prime is 28922977. The reversal of 28922966 is 66922982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28922963) 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, 25916 + ... + 27008.

It is an arithmetic number, because the mean of its divisors is an integer number (2761803).

Almost surely, 2^28922966 is an apocalyptic number.

28922966 is a deficient number, since it is larger than the sum of its proper divisors (15265882).

28922966 is a wasteful number, since it uses less digits than its factorization.

28922966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its digits is 186624, while the sum is 44.

The square root of 28922966 is about 5378.0076236465. The cubic root of 28922966 is about 306.9594035735.

The spelling of 28922966 in words is "twenty-eight million, nine hundred twenty-two thousand, nine hundred sixty-six".