16384004 has 96 divisors (see below), whose sum is σ = 39137280. Its totient is φ = 5816448.

The previous prime is 16384003. The next prime is 16384037. The reversal of 16384004 is 40048361.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (16384001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159017 + ... + 159119.

It is an arithmetic number, because the mean of its divisors is an integer number (407680).

Almost surely, 2^16384004 is an apocalyptic number.

16384004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16384004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19568640).

16384004 is an abundant number, since it is smaller than the sum of its proper divisors (22753276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16384004 is a wasteful number, since it uses less digits than its factorization.

16384004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 16384004 is about 4047.7158991214. The cubic root of 16384004 is about 253.9841889842.

It can be divided in two parts, 1638400 and 4, that multiplied together give a square (6553600 = 2560²).

The spelling of 16384004 in words is "sixteen million, three hundred eighty-four thousand, four".