16339397 has 4 divisors (see below), whose sum is σ = 17300556. Its totient is φ = 15378240.

The previous prime is 16339391. The next prime is 16339417. The reversal of 16339397 is 79393361.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9205156 + 7134241 = 3034^2 + 2671^2 .

It is a cyclic number.

It is not a de Polignac number, because 16339397 - 2¹⁰ = 16338373 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 (16339391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480554 + ... + 480587.

It is an arithmetic number, because the mean of its divisors is an integer number (4325139).

Almost surely, 2^16339397 is an apocalyptic number.

16339397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16339397 is a deficient number, since it is larger than the sum of its proper divisors (961159).

16339397 is an equidigital number, since it uses as much as digits as its factorization.

16339397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961158.

The product of its digits is 91854, while the sum is 41.

The square root of 16339397 is about 4042.2019989110. The cubic root of 16339397 is about 253.7534808262.

The spelling of 16339397 in words is "sixteen million, three hundred thirty-nine thousand, three hundred ninety-seven".