28962943 has 2 divisors, whose sum is σ = 28962944. Its totient is φ = 28962942.

The previous prime is 28962929. The next prime is 28962949. The reversal of 28962943 is 34926982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28962943 - 2⁹ = 28962431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28962943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28962949) 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, 14481471 + 14481472.

It is an arithmetic number, because the mean of its divisors is an integer number (14481472).

Almost surely, 2^28962943 is an apocalyptic number.

28962943 is a deficient number, since it is larger than the sum of its proper divisors (1).

28962943 is an equidigital number, since it uses as much as digits as its factorization.

28962943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 28962943 is about 5381.7230512170. The cubic root of 28962943 is about 307.1007637491.

The spelling of 28962943 in words is "twenty-eight million, nine hundred sixty-two thousand, nine hundred forty-three".