3813189 has 8 divisors (see below), whose sum is σ = 5094432. Its totient is φ = 2537040.

The previous prime is 3813169. The next prime is 3813211. The reversal of 3813189 is 9813183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3813189 - 2¹¹ = 3811141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 2979.

It is an arithmetic number, because the mean of its divisors is an integer number (636804).

Almost surely, 2^3813189 is an apocalyptic number.

It is an amenable number.

3813189 is a deficient number, since it is larger than the sum of its proper divisors (1281243).

3813189 is a wasteful number, since it uses less digits than its factorization.

3813189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547.

The product of its digits is 5184, while the sum is 33.

The square root of 3813189 is about 1952.7388458265. The cubic root of 3813189 is about 156.2294044321.

It can be divided in two parts, 381 and 3189, that added together give a triangular number (3570 = T₈₄).

The spelling of 3813189 in words is "three million, eight hundred thirteen thousand, one hundred eighty-nine".