3218039 has 4 divisors (see below), whose sum is σ = 3510600. Its totient is φ = 2925480.

The previous prime is 3218027. The next prime is 3218041. The reversal of 3218039 is 9308123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3218039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3217999 and 3218017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146264 + ... + 146285.

It is an arithmetic number, because the mean of its divisors is an integer number (877650).

Almost surely, 2^3218039 is an apocalyptic number.

3218039 is a deficient number, since it is larger than the sum of its proper divisors (292561).

3218039 is a wasteful number, since it uses less digits than its factorization.

3218039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292560.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3218039 is about 1793.8893499879. The cubic root of 3218039 is about 147.6376422722.

The spelling of 3218039 in words is "three million, two hundred eighteen thousand, thirty-nine".