16289369 has 4 divisors (see below), whose sum is σ = 16565520. Its totient is φ = 16013220.

The previous prime is 16289363. The next prime is 16289407. The reversal of 16289369 is 96398261.

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 16289369 - 2¹⁶ = 16223833 is a prime.

It is a super-2 number, since 2×16289369² = 530687084836322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16289363) 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, 137987 + ... + 138104.

It is an arithmetic number, because the mean of its divisors is an integer number (4141380).

Almost surely, 2^16289369 is an apocalyptic number.

It is an amenable number.

16289369 is a deficient number, since it is larger than the sum of its proper divisors (276151).

16289369 is an equidigital number, since it uses as much as digits as its factorization.

16289369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276150.

The product of its digits is 139968, while the sum is 44.

The square root of 16289369 is about 4036.0090435974. The cubic root of 16289369 is about 253.4942350796.

The spelling of 16289369 in words is "sixteen million, two hundred eighty-nine thousand, three hundred sixty-nine".