28032359 has 2 divisors, whose sum is σ = 28032360. Its totient is φ = 28032358.

The previous prime is 28032343. The next prime is 28032409. The reversal of 28032359 is 95323082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28032359 - 2⁴ = 28032343 is a prime.

It is a super-2 number, since 2×28032359² = 1571626302209762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28034359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14016179 + 14016180.

It is an arithmetic number, because the mean of its divisors is an integer number (14016180).

Almost surely, 2^28032359 is an apocalyptic number.

28032359 is a deficient number, since it is larger than the sum of its proper divisors (1).

28032359 is an equidigital number, since it uses as much as digits as its factorization.

28032359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 28032359 is about 5294.5593773231. The cubic root of 28032359 is about 303.7758295139.

The spelling of 28032359 in words is "twenty-eight million, thirty-two thousand, three hundred fifty-nine".