16087239 has 18 divisors (see below), whose sum is σ = 27031680. Its totient is φ = 9192456.

The previous prime is 16087231. The next prime is 16087241. The reversal of 16087239 is 93278061.

It is not a de Polignac number, because 16087239 - 2³ = 16087231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16087231) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17799 + ... + 18680.

It is an arithmetic number, because the mean of its divisors is an integer number (1501760).

Almost surely, 2^16087239 is an apocalyptic number.

16087239 is a deficient number, since it is larger than the sum of its proper divisors (10944441).

16087239 is a wasteful number, since it uses less digits than its factorization.

16087239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36499 (or 36489 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 16087239 is about 4010.8900508491. The cubic root of 16087239 is about 252.4413561812.

The spelling of 16087239 in words is "sixteen million, eighty-seven thousand, two hundred thirty-nine".