3843838 has 4 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 1921918.

The previous prime is 3843823. The next prime is 3843841. The reversal of 3843838 is 8383483.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3843797 and 3843806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960958 + ... + 960961.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^3843838 is an apocalyptic number.

3843838 is a deficient number, since it is larger than the sum of its proper divisors (1921922).

3843838 is a wasteful number, since it uses less digits than its factorization.

3843838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921921.

The product of its digits is 55296, while the sum is 37.

The square root of 3843838 is about 1960.5708352416. The cubic root of 3843838 is about 156.6468593237.

The spelling of 3843838 in words is "three million, eight hundred forty-three thousand, eight hundred thirty-eight".