16338249 has 6 divisors (see below), whose sum is σ = 23599706. Its totient is φ = 10892160.

The previous prime is 16338247. The next prime is 16338251. The reversal of 16338249 is 94283361.

It is an interprime number because it is at equal distance from previous prime (16338247) and next prime (16338251).

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 81225 = 4032^2 + 285^2 .

It is not a de Polignac number, because 16338249 - 2¹ = 16338247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16338247) 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 5 ways as a sum of consecutive naturals, for example, 907672 + ... + 907689.

Almost surely, 2^16338249 is an apocalyptic number.

It is an amenable number.

16338249 is a deficient number, since it is larger than the sum of its proper divisors (7261457).

16338249 is a wasteful number, since it uses less digits than its factorization.

16338249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815367 (or 1815364 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16338249 is about 4042.0599946067. The cubic root of 16338249 is about 253.7475378117.

The spelling of 16338249 in words is "sixteen million, three hundred thirty-eight thousand, two hundred forty-nine".