28589268 has 24 divisors (see below), whose sum is σ = 66878560. Its totient is φ = 9505440.

The previous prime is 28589263. The next prime is 28589287. The reversal of 28589268 is 86298582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28589261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223 + ... + 7881.

Almost surely, 2^28589268 is an apocalyptic number.

It is an amenable number.

28589268 is an abundant number, since it is smaller than the sum of its proper divisors (38289292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28589268 is a wasteful number, since it uses less digits than its factorization.

28589268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087 (or 6085 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 28589268 is about 5346.8933035923. The cubic root of 28589268 is about 305.7743220459.

The spelling of 28589268 in words is "twenty-eight million, five hundred eighty-nine thousand, two hundred sixty-eight".