16904339 has 2 divisors, whose sum is σ = 16904340. Its totient is φ = 16904338.

The previous prime is 16904323. The next prime is 16904351. The reversal of 16904339 is 93340961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16904339 - 2⁴ = 16904323 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 16904299 and 16904308.

It is not a weakly prime, because it can be changed into another prime (16904309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8452169 + 8452170.

It is an arithmetic number, because the mean of its divisors is an integer number (8452170).

Almost surely, 2^16904339 is an apocalyptic number.

16904339 is a deficient number, since it is larger than the sum of its proper divisors (1).

16904339 is an equidigital number, since it uses as much as digits as its factorization.

16904339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 16904339 is about 4111.4886598409. The cubic root of 16904339 is about 256.6449547797.

The spelling of 16904339 in words is "sixteen million, nine hundred four thousand, three hundred thirty-nine".