28589411 has 2 divisors, whose sum is σ = 28589412. Its totient is φ = 28589410.

The previous prime is 28589387. The next prime is 28589413. The reversal of 28589411 is 11498582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28589411 is a prime.

Together with 28589413, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1775828 and since 28589411 and 1775828 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (28589413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14294705 + 14294706.

It is an arithmetic number, because the mean of its divisors is an integer number (14294706).

Almost surely, 2^28589411 is an apocalyptic number.

28589411 is a deficient number, since it is larger than the sum of its proper divisors (1).

28589411 is an equidigital number, since it uses as much as digits as its factorization.

28589411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The square root of 28589411 is about 5346.9066758267. The cubic root of 28589411 is about 305.7748318602.

The spelling of 28589411 in words is "twenty-eight million, five hundred eighty-nine thousand, four hundred eleven".