28182036 has 36 divisors (see below), whose sum is σ = 66839136. Its totient is φ = 9241200.

The previous prime is 28182031. The next prime is 28182083. The reversal of 28182036 is 63028182.

It is a junction number, because it is equal to n+sod(n) for n = 28181994 and 28182012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28182031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186561 + ... + 186711.

Almost surely, 2^28182036 is an apocalyptic number.

It is an amenable number.

28182036 is an abundant number, since it is smaller than the sum of its proper divisors (38657100).

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

28182036 is a wasteful number, since it uses less digits than its factorization.

28182036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28182036 is about 5308.6755410366. The cubic root of 28182036 is about 304.3155339924.

The spelling of 28182036 in words is "twenty-eight million, one hundred eighty-two thousand, thirty-six".