16384738 has 8 divisors (see below), whose sum is σ = 25040988. Its totient is φ = 8037744.

The previous prime is 16384729. The next prime is 16384757. The reversal of 16384738 is 83748361.

It can be written as a sum of positive squares in 2 ways, for example, as 15233409 + 1151329 = 3903^2 + 1073^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 16384738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77181 + ... + 77392.

Almost surely, 2^16384738 is an apocalyptic number.

16384738 is a deficient number, since it is larger than the sum of its proper divisors (8656250).

16384738 is a wasteful number, since it uses less digits than its factorization.

16384738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154628.

The product of its digits is 96768, while the sum is 40.

The square root of 16384738 is about 4047.8065665246. The cubic root of 16384738 is about 253.9879817407.

The spelling of 16384738 in words is "sixteen million, three hundred eighty-four thousand, seven hundred thirty-eight".