3843381 has 8 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 2499680.

The previous prime is 3843379. The next prime is 3843407. The reversal of 3843381 is 1833483.

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

It is a cyclic number.

It is not a de Polignac number, because 3843381 - 2¹ = 3843379 is a prime.

It is a super-2 number, since 2×3843381² = 29543155022322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843311) 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, 15501 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (656208).

Almost surely, 2^3843381 is an apocalyptic number.

It is an amenable number.

3843381 is a deficient number, since it is larger than the sum of its proper divisors (1406283).

3843381 is a wasteful number, since it uses less digits than its factorization.

3843381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31291.

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

The square root of 3843381 is about 1960.4542840883. The cubic root of 3843381 is about 156.6406510798.

It can be divided in two parts, 3843 and 381, that added together give a palindrome (4224).

The spelling of 3843381 in words is "three million, eight hundred forty-three thousand, three hundred eighty-one".