28327874 has 8 divisors (see below), whose sum is σ = 42912828. Its totient is φ = 14023600.

The previous prime is 28327861. The next prime is 28327877. The reversal of 28327874 is 47872382.

It can be written as a sum of positive squares in 2 ways, for example, as 18361225 + 9966649 = 4285^2 + 3157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28327877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69917 + ... + 70320.

Almost surely, 2^28327874 is an apocalyptic number.

28327874 is a deficient number, since it is larger than the sum of its proper divisors (14584954).

28327874 is a wasteful number, since it uses less digits than its factorization.

28327874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140340.

The product of its digits is 150528, while the sum is 41.

The square root of 28327874 is about 5322.3936344468. The cubic root of 28327874 is about 304.8395608757.

The spelling of 28327874 in words is "twenty-eight million, three hundred twenty-seven thousand, eight hundred seventy-four".