28923016 has 16 divisors (see below), whose sum is σ = 57085200. Its totient is φ = 13700304.

The previous prime is 28922987. The next prime is 28923019. The reversal of 28923016 is 61032982.

It is not an unprimeable number, because it can be changed into a prime (28923019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94990 + ... + 95293.

It is an arithmetic number, because the mean of its divisors is an integer number (3567825).

Almost surely, 2^28923016 is an apocalyptic number.

It is an amenable number.

28923016 is a deficient number, since it is larger than the sum of its proper divisors (28162184).

28923016 is a wasteful number, since it uses less digits than its factorization.

28923016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190308 (or 190304 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 28923016 is about 5378.0122722062. The cubic root of 28923016 is about 306.9595804567.

Adding to 28923016 its reverse (61032982), we get a palindrome (89955998).

The spelling of 28923016 in words is "twenty-eight million, nine hundred twenty-three thousand, sixteen".