28036 has 12 divisors (see below), whose sum is σ = 50512. Its totient is φ = 13608.

The previous prime is 28031. The next prime is 28051. The reversal of 28036 is 63082.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

28036 is a modest number, since divided by 36 gives 28 as remainder.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (28031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 253.

2²⁸⁰³⁶ is an apocalyptic number.

28036 is the 90-th centered heptagonal number.

It is an amenable number.

28036 is a deficient number, since it is larger than the sum of its proper divisors (22476).

28036 is a wasteful number, since it uses less digits than its factorization.

28036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 28036 is about 167.4395413276. The cubic root of 28036 is about 30.3788980981.

It can be divided in two parts, 2803 and 6, that added together give a square (2809 = 53²).

The spelling of 28036 in words is "twenty-eight thousand, thirty-six".