28036566 has 24 divisors (see below), whose sum is σ = 60933600. Its totient is φ = 9316656.

The previous prime is 28036549. The next prime is 28036577. The reversal of 28036566 is 66563082.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28036566.

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, 4051 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (2538900).

Almost surely, 2^28036566 is an apocalyptic number.

28036566 is an abundant number, since it is smaller than the sum of its proper divisors (32897034).

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

28036566 is a wasteful number, since it uses less digits than its factorization.

28036566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820 (or 4817 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 28036566 is about 5294.9566570464. The cubic root of 28036566 is about 303.7910252976.

The spelling of 28036566 in words is "twenty-eight million, thirty-six thousand, five hundred sixty-six".