3216369 has 8 divisors (see below), whose sum is σ = 4618432. Its totient is φ = 1979280.

The previous prime is 3216359. The next prime is 3216403. The reversal of 3216369 is 9636123.

It is a happy number.

3216369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3216369 - 2⁵ = 3216337 is a prime.

It is a super-2 number, since 2×3216369² = 20690059088322, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3216359) 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 in 7 ways as a sum of consecutive naturals, for example, 41197 + ... + 41274.

It is an arithmetic number, because the mean of its divisors is an integer number (577304).

Almost surely, 2^3216369 is an apocalyptic number.

3216369 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3216369 is a deficient number, since it is larger than the sum of its proper divisors (1402063).

3216369 is a wasteful number, since it uses less digits than its factorization.

3216369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82487.

The product of its digits is 5832, while the sum is 30.

The square root of 3216369 is about 1793.4238205176. The cubic root of 3216369 is about 147.6120990221.

The spelling of 3216369 in words is "three million, two hundred sixteen thousand, three hundred sixty-nine".