28182847 has 16 divisors (see below), whose sum is σ = 35253504. Its totient is φ = 21888000.

The previous prime is 28182839. The next prime is 28182851. The reversal of 28182847 is 74828182.

It is a cyclic number.

It is not a de Polignac number, because 28182847 - 2³ = 28182839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28182857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43647 + ... + 44287.

It is an arithmetic number, because the mean of its divisors is an integer number (2203344).

Almost surely, 2^28182847 is an apocalyptic number.

28182847 is a deficient number, since it is larger than the sum of its proper divisors (7070657).

28182847 is a wasteful number, since it uses less digits than its factorization.

28182847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230.

The product of its digits is 57344, while the sum is 40.

The square root of 28182847 is about 5308.7519248878. The cubic root of 28182847 is about 304.3184530804.

It can be divided in two parts, 2818 and 2847, that added together give a palindrome (5665).

The spelling of 28182847 in words is "twenty-eight million, one hundred eighty-two thousand, eight hundred forty-seven".