28908343 has 2 divisors, whose sum is σ = 28908344. Its totient is φ = 28908342.

The previous prime is 28908317. The next prime is 28908409. The reversal of 28908343 is 34380982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28908343 - 2⁵ = 28908311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28905343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14454171 + 14454172.

It is an arithmetic number, because the mean of its divisors is an integer number (14454172).

Almost surely, 2^28908343 is an apocalyptic number.

28908343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28908343 is an equidigital number, since it uses as much as digits as its factorization.

28908343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 28908343 is about 5376.6479334247. The cubic root of 28908343 is about 306.9076635590.

The spelling of 28908343 in words is "twenty-eight million, nine hundred eight thousand, three hundred forty-three".