28125296 has 20 divisors (see below), whose sum is σ = 54775512. Its totient is φ = 13989696.

The previous prime is 28125289. The next prime is 28125299. The reversal of 28125296 is 69252182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28125299) 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, 1310 + ... + 7613.

Almost surely, 2^28125296 is an apocalyptic number.

It is an amenable number.

28125296 is a deficient number, since it is larger than the sum of its proper divisors (26650216).

28125296 is a wasteful number, since it uses less digits than its factorization.

28125296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128 (or 9122 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 28125296 is about 5303.3287659733. The cubic root of 28125296 is about 304.1111666382. Note that the first 4 decimals are identical.

The spelling of 28125296 in words is "twenty-eight million, one hundred twenty-five thousand, two hundred ninety-six".