28963568 has 20 divisors (see below), whose sum is σ = 56675688. Its totient is φ = 14337600.

The previous prime is 28963567. The next prime is 28963573. The reversal of 28963568 is 86536982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28963567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7346 + ... + 10577.

Almost surely, 2^28963568 is an apocalyptic number.

It is an amenable number.

28963568 is a deficient number, since it is larger than the sum of its proper divisors (27712120).

28963568 is a wasteful number, since it uses less digits than its factorization.

28963568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18032 (or 18026 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 28963568 is about 5381.7811178085. The cubic root of 28963568 is about 307.1029727396.

The spelling of 28963568 in words is "twenty-eight million, nine hundred sixty-three thousand, five hundred sixty-eight".