28675836 has 96 divisors (see below), whose sum is σ = 86177280. Its totient is φ = 8076672.

The previous prime is 28675817. The next prime is 28675841. The reversal of 28675836 is 63857682.

28675836 is a `hidden beast` number, since 2 + 8 + 67 + 583 + 6 = 666.

Its product of digits (483840) is a multiple of the sum of its prime factors (560).

It is a junction number, because it is equal to n+sod(n) for n = 28675791 and 28675800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62520 + ... + 62976.

It is an arithmetic number, because the mean of its divisors is an integer number (897680).

Almost surely, 2^28675836 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 28675836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43088640).

28675836 is an abundant number, since it is smaller than the sum of its proper divisors (57501444).

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

28675836 is a wasteful number, since it uses less digits than its factorization.

28675836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 552 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 28675836 is about 5354.9823529121. The cubic root of 28675836 is about 306.0826381960.

The spelling of 28675836 in words is "twenty-eight million, six hundred seventy-five thousand, eight hundred thirty-six".