28647896 has 16 divisors (see below), whose sum is σ = 56542200. Its totient is φ = 13569984.

The previous prime is 28647893. The next prime is 28647919. The reversal of 28647896 is 69874682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28647893) 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, 94085 + ... + 94388.

Almost surely, 2^28647896 is an apocalyptic number.

It is an amenable number.

28647896 is a deficient number, since it is larger than the sum of its proper divisors (27894304).

28647896 is a wasteful number, since it uses less digits than its factorization.

28647896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188498 (or 188494 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 28647896 is about 5352.3729317005. The cubic root of 28647896 is about 305.9831964230.

The spelling of 28647896 in words is "twenty-eight million, six hundred forty-seven thousand, eight hundred ninety-six".