16534439 has 8 divisors (see below), whose sum is σ = 17485440. Its totient is φ = 15609600.

The previous prime is 16534411. The next prime is 16534457. The reversal of 16534439 is 93443561.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16534439 - 2¹² = 16530343 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 16534399 and 16534408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534139) 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, 5234 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (2185680).

Almost surely, 2^16534439 is an apocalyptic number.

16534439 is a deficient number, since it is larger than the sum of its proper divisors (951001).

16534439 is a wasteful number, since it uses less digits than its factorization.

16534439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13081.

The product of its digits is 38880, while the sum is 35.

The square root of 16534439 is about 4066.2561404811. The cubic root of 16534439 is about 254.7591677243.

The spelling of 16534439 in words is "sixteen million, five hundred thirty-four thousand, four hundred thirty-nine".