28682371 has 2 divisors, whose sum is σ = 28682372. Its totient is φ = 28682370.

The previous prime is 28682359. The next prime is 28682399. The reversal of 28682371 is 17328682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28682371 - 2¹³ = 28674179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28682371.

It is not a weakly prime, because it can be changed into another prime (28682321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14341185 + 14341186.

It is an arithmetic number, because the mean of its divisors is an integer number (14341186).

Almost surely, 2^28682371 is an apocalyptic number.

28682371 is a deficient number, since it is larger than the sum of its proper divisors (1).

28682371 is an equidigital number, since it uses as much as digits as its factorization.

28682371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 28682371 is about 5355.5924975674. The cubic root of 28682371 is about 306.1058877141.

The spelling of 28682371 in words is "twenty-eight million, six hundred eighty-two thousand, three hundred seventy-one".