16289469 has 12 divisors (see below), whose sum is σ = 26890656. Its totient is φ = 9308232.

The previous prime is 16289467. The next prime is 16289473. The reversal of 16289469 is 96498261.

It is a happy number.

It is not a de Polignac number, because 16289469 - 2¹ = 16289467 is a prime.

It is a super-3 number, since 3×16289469³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16289467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129219 + ... + 129344.

It is an arithmetic number, because the mean of its divisors is an integer number (2240888).

Almost surely, 2^16289469 is an apocalyptic number.

It is an amenable number.

16289469 is a deficient number, since it is larger than the sum of its proper divisors (10601187).

16289469 is a wasteful number, since it uses less digits than its factorization.

16289469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258576 (or 258573 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 16289469 is about 4036.0214320541. The cubic root of 16289469 is about 253.4947538099.

The spelling of 16289469 in words is "sixteen million, two hundred eighty-nine thousand, four hundred sixty-nine".