16946329 has 2 divisors, whose sum is σ = 16946330. Its totient is φ = 16946328.

The previous prime is 16946327. The next prime is 16946341. The reversal of 16946329 is 92364961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16040025 + 906304 = 4005^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 16946329 - 2¹ = 16946327 is a prime.

Together with 16946327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16946291 and 16946300.

It is not a weakly prime, because it can be changed into another prime (16946327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473164 + 8473165.

It is an arithmetic number, because the mean of its divisors is an integer number (8473165).

Almost surely, 2^16946329 is an apocalyptic number.

It is an amenable number.

16946329 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946329 is an equidigital number, since it uses as much as digits as its factorization.

16946329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 16946329 is about 4116.5919156506. The cubic root of 16946329 is about 256.8572791828.

The spelling of 16946329 in words is "sixteen million, nine hundred forty-six thousand, three hundred twenty-nine".