28679208 has 64 divisors (see below), whose sum is σ = 76296000. Its totient is φ = 8957952.

The previous prime is 28679207. The next prime is 28679219. The reversal of 28679208 is 80297682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28679208.

It is not an unprimeable number, because it can be changed into a prime (28679207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49416 + ... + 49992.

It is an arithmetic number, because the mean of its divisors is an integer number (1192125).

Almost surely, 2^28679208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28679208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38148000).

28679208 is an abundant number, since it is smaller than the sum of its proper divisors (47616792).

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

28679208 is a wasteful number, since it uses less digits than its factorization.

28679208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 28679208 is about 5355.2971906328. The cubic root of 28679208 is about 306.0946351749.

The spelling of 28679208 in words is "twenty-eight million, six hundred seventy-nine thousand, two hundred eight".