3189213 has 10 divisors (see below), whose sum is σ = 4764254. Its totient is φ = 2126088.

The previous prime is 3189191. The next prime is 3189227. The reversal of 3189213 is 3129813.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 13689 = 1782^2 + 117^2 .

It is not a de Polignac number, because 3189213 - 2⁹ = 3188701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19606 + ... + 19767.

Almost surely, 2^3189213 is an apocalyptic number.

It is an amenable number.

3189213 is a deficient number, since it is larger than the sum of its proper divisors (1575041).

3189213 is an equidigital number, since it uses as much as digits as its factorization.

3189213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39385 (or 39376 counting only the distinct ones).

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

The square root of 3189213 is about 1785.8367786559. The cubic root of 3189213 is about 147.1954916753.

The spelling of 3189213 in words is "three million, one hundred eighty-nine thousand, two hundred thirteen".