16383805 has 16 divisors (see below), whose sum is σ = 20286000. Its totient is φ = 12695040.

The previous prime is 16383803. The next prime is 16383821. The reversal of 16383805 is 50838361.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13689 + 16370116 = 117^2 + 4046^2 .

It is not a de Polignac number, because 16383805 - 2¹ = 16383803 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16383803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46771 + ... + 47119.

It is an arithmetic number, because the mean of its divisors is an integer number (1267875).

Almost surely, 2^16383805 is an apocalyptic number.

It is an amenable number.

16383805 is a deficient number, since it is larger than the sum of its proper divisors (3902195).

16383805 is a wasteful number, since it uses less digits than its factorization.

16383805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 16383805 is about 4047.6913172820. The cubic root of 16383805 is about 253.9831606833.

The spelling of 16383805 in words is "sixteen million, three hundred eighty-three thousand, eight hundred five".