3618331 has 4 divisors (see below), whose sum is σ = 3831192. Its totient is φ = 3405472.

The previous prime is 3618323. The next prime is 3618343. The reversal of 3618331 is 1338163.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3618331 - 2³ = 3618323 is a prime.

It is a super-2 number, since 2×3618331² = 26184638451122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3618296 and 3618305.

It is not an unprimeable number, because it can be changed into a prime (3618311) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 106405 + ... + 106438.

It is an arithmetic number, because the mean of its divisors is an integer number (957798).

Almost surely, 2^3618331 is an apocalyptic number.

3618331 is a deficient number, since it is larger than the sum of its proper divisors (212861).

3618331 is a wasteful number, since it uses less digits than its factorization.

3618331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212860.

The product of its digits is 1296, while the sum is 25.

The square root of 3618331 is about 1902.1911050155. The cubic root of 3618331 is about 153.5215798652.

The spelling of 3618331 in words is "three million, six hundred eighteen thousand, three hundred thirty-one".