16934243 has 2 divisors, whose sum is σ = 16934244. Its totient is φ = 16934242.

The previous prime is 16934221. The next prime is 16934257. The reversal of 16934243 is 34243961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16934243 - 2¹⁸ = 16672099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16934213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8467121 + 8467122.

It is an arithmetic number, because the mean of its divisors is an integer number (8467122).

Almost surely, 2^16934243 is an apocalyptic number.

16934243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16934243 is an equidigital number, since it uses as much as digits as its factorization.

16934243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 16934243 is about 4115.1236919441. The cubic root of 16934243 is about 256.7962017389.

The spelling of 16934243 in words is "sixteen million, nine hundred thirty-four thousand, two hundred forty-three".