16394361 has 4 divisors (see below), whose sum is σ = 21859152. Its totient is φ = 10929572.

The previous prime is 16394353. The next prime is 16394387. The reversal of 16394361 is 16349361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16394361 - 2³ = 16394353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16394351) 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 in 3 ways as a sum of consecutive naturals, for example, 2732391 + ... + 2732396.

It is an arithmetic number, because the mean of its divisors is an integer number (5464788).

Almost surely, 2^16394361 is an apocalyptic number.

It is an amenable number.

16394361 is a deficient number, since it is larger than the sum of its proper divisors (5464791).

16394361 is an equidigital number, since it uses as much as digits as its factorization.

16394361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464790.

The product of its digits is 11664, while the sum is 33.

The square root of 16394361 is about 4048.9950605058. The cubic root of 16394361 is about 254.0376956475.

The spelling of 16394361 in words is "sixteen million, three hundred ninety-four thousand, three hundred sixty-one".