3138219 has 24 divisors (see below), whose sum is σ = 5239520. Its totient is φ = 1772928.

The previous prime is 3138209. The next prime is 3138221. The reversal of 3138219 is 9128313.

It is not a de Polignac number, because 3138219 - 2¹² = 3134123 is a prime.

It is a super-2 number, since 2×3138219² = 19696836983922, 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 = 3138192 and 3138201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6639 + ... + 7095.

Almost surely, 2^3138219 is an apocalyptic number.

3138219 is a deficient number, since it is larger than the sum of its proper divisors (2101301).

3138219 is a wasteful number, since it uses less digits than its factorization.

3138219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 576 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 3138219 is about 1771.5019051641. The cubic root of 3138219 is about 146.4067440681.

The spelling of 3138219 in words is "three million, one hundred thirty-eight thousand, two hundred nineteen".