16279339 has 4 divisors (see below), whose sum is σ = 16555320. Its totient is φ = 16003360.

The previous prime is 16279313. The next prime is 16279363. The reversal of 16279339 is 93397261.

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

It is a cyclic number.

It is not a de Polignac number, because 16279339 - 2¹⁷ = 16148267 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16279369) 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, 137902 + ... + 138019.

It is an arithmetic number, because the mean of its divisors is an integer number (4138830).

Almost surely, 2^16279339 is an apocalyptic number.

16279339 is a deficient number, since it is larger than the sum of its proper divisors (275981).

16279339 is an equidigital number, since it uses as much as digits as its factorization.

16279339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275980.

The product of its digits is 61236, while the sum is 40.

The square root of 16279339 is about 4034.7662881510. The cubic root of 16279339 is about 253.4421956338.

The spelling of 16279339 in words is "sixteen million, two hundred seventy-nine thousand, three hundred thirty-nine".