3843138 has 32 divisors (see below), whose sum is σ = 8568000. Its totient is φ = 1141056.

The previous prime is 3843137. The next prime is 3843179. The reversal of 3843138 is 8313483.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3843131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (267750).

Almost surely, 2^3843138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3843138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4284000).

3843138 is an abundant number, since it is smaller than the sum of its proper divisors (4724862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3843138 is a wasteful number, since it uses less digits than its factorization.

3843138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its digits is 6912, while the sum is 30.

The square root of 3843138 is about 1960.3923076772. The cubic root of 3843138 is about 156.6373497781.

The spelling of 3843138 in words is "three million, eight hundred forty-three thousand, one hundred thirty-eight".