16394897 has 2 divisors, whose sum is σ = 16394898. Its totient is φ = 16394896.

The previous prime is 16394893. The next prime is 16394921. The reversal of 16394897 is 79849361.

16394897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14409616 + 1985281 = 3796^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 16394897 - 2² = 16394893 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16394893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8197448 + 8197449.

It is an arithmetic number, because the mean of its divisors is an integer number (8197449).

Almost surely, 2^16394897 is an apocalyptic number.

It is an amenable number.

16394897 is a deficient number, since it is larger than the sum of its proper divisors (1).

16394897 is an equidigital number, since it uses as much as digits as its factorization.

16394897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 16394897 is about 4049.0612492280. The cubic root of 16394897 is about 254.0404641344.

The spelling of 16394897 in words is "sixteen million, three hundred ninety-four thousand, eight hundred ninety-seven".