28541286 has 24 divisors (see below), whose sum is σ = 62084880. Its totient is φ = 9476016.

The previous prime is 28541273. The next prime is 28541291. The reversal of 28541286 is 68214582.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28541286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1720 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (2586870).

Almost surely, 2^28541286 is an apocalyptic number.

28541286 is an abundant number, since it is smaller than the sum of its proper divisors (33543594).

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

28541286 is a wasteful number, since it uses less digits than its factorization.

28541286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300 (or 6297 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 28541286 is about 5342.4045148229. The cubic root of 28541286 is about 305.6031636575.

The spelling of 28541286 in words is "twenty-eight million, five hundred forty-one thousand, two hundred eighty-six".