28708496 has 20 divisors (see below), whose sum is σ = 55738992. Its totient is φ = 14324256.

The previous prime is 28708481. The next prime is 28708499. The reversal of 28708496 is 69480782.

It is not an unprimeable number, because it can be changed into a prime (28708499) 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, 7415 + ... + 10601.

Almost surely, 2^28708496 is an apocalyptic number.

It is an amenable number.

28708496 is a deficient number, since it is larger than the sum of its proper divisors (27030496).

28708496 is a wasteful number, since it uses less digits than its factorization.

28708496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3752 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 28708496 is about 5358.0309816200. The cubic root of 28708496 is about 306.1987971596.

The spelling of 28708496 in words is "twenty-eight million, seven hundred eight thousand, four hundred ninety-six".