28182006 has 40 divisors (see below), whose sum is σ = 64704024. Its totient is φ = 9162720.

The previous prime is 28181977. The next prime is 28182013. The reversal of 28182006 is 60028182.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4521 + ... + 8763.

Almost surely, 2^28182006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28182006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32352012).

28182006 is an abundant number, since it is smaller than the sum of its proper divisors (36522018).

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

28182006 is a wasteful number, since it uses less digits than its factorization.

28182006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 4289 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 28182006 is about 5308.6727154723. The cubic root of 28182006 is about 304.3154260102.

The spelling of 28182006 in words is "twenty-eight million, one hundred eighty-two thousand, six".