16489383 has 16 divisors (see below), whose sum is σ = 22754400. Its totient is φ = 10613376.

The previous prime is 16489381. The next prime is 16489391. The reversal of 16489383 is 38398461.

It is a happy number.

It is not a de Polignac number, because 16489383 - 2¹ = 16489381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16489381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16041 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (1422150).

Almost surely, 2^16489383 is an apocalyptic number.

16489383 is a deficient number, since it is larger than the sum of its proper divisors (6265017).

16489383 is a wasteful number, since it uses less digits than its factorization.

16489383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its digits is 124416, while the sum is 42.

The square root of 16489383 is about 4060.7121296640. The cubic root of 16489383 is about 254.5275527492.

The spelling of 16489383 in words is "sixteen million, four hundred eighty-nine thousand, three hundred eighty-three".