16304 has 10 divisors (see below), whose sum is σ = 31620. Its totient is φ = 8144.

The previous prime is 16301. The next prime is 16319. The reversal of 16304 is 40361.

It is not an unprimeable number, because it can be changed into a prime (16301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494 + ... + 525.

It is an arithmetic number, because the mean of its divisors is an integer number (3162).

2¹⁶³⁰⁴ is an apocalyptic number.

It is an amenable number.

16304 is a deficient number, since it is larger than the sum of its proper divisors (15316).

16304 is a wasteful number, since it uses less digits than its factorization.

16304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 16304 is about 127.6871175961. The cubic root of 16304 is about 25.3570107965.

Subtracting from 16304 its sum of digits (14), we obtain a triangular number (16290 = T₁₈₀).

Adding to 16304 its reverse (40361), we get a palindrome (56665).

The spelling of 16304 in words is "sixteen thousand, three hundred four".