16949047 has 2 divisors, whose sum is σ = 16949048. Its totient is φ = 16949046.

The previous prime is 16949011. The next prime is 16949059. The reversal of 16949047 is 74094961.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16949047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16949087) 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, 8474523 + 8474524.

It is an arithmetic number, because the mean of its divisors is an integer number (8474524).

Almost surely, 2^16949047 is an apocalyptic number.

16949047 is a deficient number, since it is larger than the sum of its proper divisors (1).

16949047 is an equidigital number, since it uses as much as digits as its factorization.

16949047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 16949047 is about 4116.9220298665. The cubic root of 16949047 is about 256.8710107853.

The spelling of 16949047 in words is "sixteen million, nine hundred forty-nine thousand, forty-seven".