3618309 has 8 divisors (see below), whose sum is σ = 4859680. Its totient is φ = 2394576.

The previous prime is 3618283. The next prime is 3618311. The reversal of 3618309 is 9038163.

3618309 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 3618309 - 2⁹ = 3617797 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618409) 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, 3922 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (607460).

Almost surely, 2^3618309 is an apocalyptic number.

It is an amenable number.

3618309 is a deficient number, since it is larger than the sum of its proper divisors (1241371).

3618309 is a wasteful number, since it uses less digits than its factorization.

3618309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3618309 is about 1902.1853222018. The cubic root of 3618309 is about 153.5212687198.

The spelling of 3618309 in words is "three million, six hundred eighteen thousand, three hundred nine".