16380304 has 10 divisors (see below), whose sum is σ = 31736870. Its totient is φ = 8190144.

The previous prime is 16380289. The next prime is 16380313. The reversal of 16380304 is 40308361.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 3763600 = 3552^2 + 1940^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 511869 + ... + 511900.

It is an arithmetic number, because the mean of its divisors is an integer number (3173687).

Almost surely, 2^16380304 is an apocalyptic number.

It is an amenable number.

16380304 is a deficient number, since it is larger than the sum of its proper divisors (15356566).

16380304 is a wasteful number, since it uses less digits than its factorization.

16380304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023777 (or 1023771 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16380304 is about 4047.2588254274. The cubic root of 16380304 is about 253.9650684597.

Adding to 16380304 its reverse (40308361), we get a palindrome (56688665).

The spelling of 16380304 in words is "sixteen million, three hundred eighty thousand, three hundred four".