16272239 has 4 divisors (see below), whose sum is σ = 16424424. Its totient is φ = 16120056.

The previous prime is 16272229. The next prime is 16272251. The reversal of 16272239 is 93227261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16272239 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 (16272229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75932 + ... + 76145.

It is an arithmetic number, because the mean of its divisors is an integer number (4106106).

Almost surely, 2^16272239 is an apocalyptic number.

16272239 is a deficient number, since it is larger than the sum of its proper divisors (152185).

16272239 is a wasteful number, since it uses less digits than its factorization.

16272239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152184.

The product of its digits is 9072, while the sum is 32.

The square root of 16272239 is about 4033.8863394994. The cubic root of 16272239 is about 253.4053452176.

The spelling of 16272239 in words is "sixteen million, two hundred seventy-two thousand, two hundred thirty-nine".