28127696 has 20 divisors (see below), whose sum is σ = 55971492. Its totient is φ = 13683456.

The previous prime is 28127677. The next prime is 28127699. The reversal of 28127696 is 69672182.

It can be written as a sum of positive squares in 2 ways, for example, as 16321600 + 11806096 = 4040^2 + 3436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28127699) 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, 23165 + ... + 24348.

Almost surely, 2^28127696 is an apocalyptic number.

It is an amenable number.

28127696 is a deficient number, since it is larger than the sum of its proper divisors (27843796).

28127696 is a wasteful number, since it uses less digits than its factorization.

28127696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47558 (or 47552 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 28127696 is about 5303.5550341257. Note that the first 3 decimals coincide. The cubic root of 28127696 is about 304.1198165743.

The spelling of 28127696 in words is "twenty-eight million, one hundred twenty-seven thousand, six hundred ninety-six".