28959841 has 2 divisors, whose sum is σ = 28959842. Its totient is φ = 28959840.

The previous prime is 28959839. The next prime is 28959877. The reversal of 28959841 is 14895982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 13905441 = 3880^2 + 3729^2 .

It is a cyclic number.

It is not a de Polignac number, because 28959841 - 2¹ = 28959839 is a prime.

Together with 28959839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28959791 and 28959800.

It is not a weakly prime, because it can be changed into another prime (28959881) 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 as a sum of consecutive naturals, namely, 14479920 + 14479921.

It is an arithmetic number, because the mean of its divisors is an integer number (14479921).

Almost surely, 2^28959841 is an apocalyptic number.

It is an amenable number.

28959841 is a deficient number, since it is larger than the sum of its proper divisors (1).

28959841 is an equidigital number, since it uses as much as digits as its factorization.

28959841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 46.

The square root of 28959841 is about 5381.4348458381. The cubic root of 28959841 is about 307.0897996172.

The spelling of 28959841 in words is "twenty-eight million, nine hundred fifty-nine thousand, eight hundred forty-one".