16946893 has 2 divisors, whose sum is σ = 16946894. Its totient is φ = 16946892.

The previous prime is 16946873. The next prime is 16946903. The reversal of 16946893 is 39864961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16104169 + 842724 = 4013^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 16946893 - 2⁵ = 16946861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16946873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473446 + 8473447.

It is an arithmetic number, because the mean of its divisors is an integer number (8473447).

Almost surely, 2^16946893 is an apocalyptic number.

It is an amenable number.

16946893 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946893 is an equidigital number, since it uses as much as digits as its factorization.

16946893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 16946893 is about 4116.6604183488. The cubic root of 16946893 is about 256.8601286868.

The spelling of 16946893 in words is "sixteen million, nine hundred forty-six thousand, eight hundred ninety-three".