3005216 has 12 divisors (see below), whose sum is σ = 5916582. Its totient is φ = 1502592.

The previous prime is 3005213. The next prime is 3005221. The reversal of 3005216 is 6125003.

3005216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 633616 = 1540^2 + 796^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3005194 and 3005203.

It is not an unprimeable number, because it can be changed into a prime (3005213) by changing a digit.

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 as a sum of consecutive naturals, namely, 46925 + ... + 46988.

Almost surely, 2^3005216 is an apocalyptic number.

It is an amenable number.

3005216 is a deficient number, since it is larger than the sum of its proper divisors (2911366).

3005216 is an equidigital number, since it uses as much as digits as its factorization.

3005216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93923 (or 93915 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3005216 is about 1733.5558831489. Note that the first 3 decimals coincide. The cubic root of 3005216 is about 144.3084950096.

The spelling of 3005216 in words is "three million, five thousand, two hundred sixteen".