3821238 has 24 divisors (see below), whose sum is σ = 8473608. Its totient is φ = 1243872.

The previous prime is 3821231. The next prime is 3821239. The reversal of 3821238 is 8321283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1695 + ... + 3242.

It is an arithmetic number, because the mean of its divisors is an integer number (353067).

Almost surely, 2^3821238 is an apocalyptic number.

3821238 is an abundant number, since it is smaller than the sum of its proper divisors (4652370).

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

3821238 is a wasteful number, since it uses less digits than its factorization.

3821238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988 (or 4985 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3821238 is about 1954.7987108651. The cubic root of 3821238 is about 156.3392518353.

The spelling of 3821238 in words is "three million, eight hundred twenty-one thousand, two hundred thirty-eight".