16304328 has 48 divisors (see below), whose sum is σ = 45798480. Its totient is φ = 5434128.

The previous prime is 16304317. The next prime is 16304363. The reversal of 16304328 is 82340361.

It is a happy number.

16304328 is a `hidden beast` number, since 1 + 630 + 4 + 3 + 28 = 666.

It is a super-2 number, since 2×16304328² = 531662223063168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 11 ways as a sum of consecutive naturals, for example, 2250 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (954135).

Almost surely, 2^16304328 is an apocalyptic number.

16304328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16304328 is an abundant number, since it is smaller than the sum of its proper divisors (29494152).

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

16304328 is an equidigital number, since it uses as much as digits as its factorization.

16304328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408 (or 8392 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 16304328 is about 4037.8618104140. The cubic root of 16304328 is about 253.5718083746.

Adding to 16304328 its reverse (82340361), we get a palindrome (98644689).

The spelling of 16304328 in words is "sixteen million, three hundred four thousand, three hundred twenty-eight".