16732389 has 8 divisors (see below), whose sum is σ = 22403392. Its totient is φ = 11108160.

The previous prime is 16732349. The next prime is 16732393. The reversal of 16732389 is 98323761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16732389 - 2²³ = 8343781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16732319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10849 + ... + 12294.

It is an arithmetic number, because the mean of its divisors is an integer number (2800424).

Almost surely, 2^16732389 is an apocalyptic number.

It is an amenable number.

16732389 is a deficient number, since it is larger than the sum of its proper divisors (5671003).

16732389 is a wasteful number, since it uses less digits than its factorization.

16732389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23387.

The product of its digits is 54432, while the sum is 39.

The square root of 16732389 is about 4090.5242940239. The cubic root of 16732389 is about 255.7717947197.

The spelling of 16732389 in words is "sixteen million, seven hundred thirty-two thousand, three hundred eighty-nine".