28523696 has 20 divisors (see below), whose sum is σ = 55608792. Its totient is φ = 14173056.

The previous prime is 28523669. The next prime is 28523701. The reversal of 28523696 is 69632582.

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 3 ways as a sum of consecutive naturals, for example, 2861 + ... + 8076.

Almost surely, 2^28523696 is an apocalyptic number.

It is an amenable number.

28523696 is a deficient number, since it is larger than the sum of its proper divisors (27085096).

28523696 is a wasteful number, since it uses less digits than its factorization.

28523696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108 (or 11102 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 28523696 is about 5340.7579986365. The cubic root of 28523696 is about 305.5403696597.

The spelling of 28523696 in words is "twenty-eight million, five hundred twenty-three thousand, six hundred ninety-six".