28147183 has 2 divisors, whose sum is σ = 28147184. Its totient is φ = 28147182.

The previous prime is 28147127. The next prime is 28147201. The reversal of 28147183 is 38174182.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28147183 - 2¹⁷ = 28016111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28147103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14073591 + 14073592.

It is an arithmetic number, because the mean of its divisors is an integer number (14073592).

Almost surely, 2^28147183 is an apocalyptic number.

28147183 is a deficient number, since it is larger than the sum of its proper divisors (1).

28147183 is an equidigital number, since it uses as much as digits as its factorization.

28147183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 28147183 is about 5305.3918799651. The cubic root of 28147183 is about 304.1900322410.

The spelling of 28147183 in words is "twenty-eight million, one hundred forty-seven thousand, one hundred eighty-three".