3839867 has 4 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 3835896.

The previous prime is 3839851. The next prime is 3839911. The reversal of 3839867 is 7689383.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3839867 - 2⁴ = 3839851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3830867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 2^3839867 is an apocalyptic number.

3839867 is a deficient number, since it is larger than the sum of its proper divisors (3973).

3839867 is a wasteful number, since it uses less digits than its factorization.

3839867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972.

The product of its digits is 217728, while the sum is 44.

The square root of 3839867 is about 1959.5578582935. The cubic root of 3839867 is about 156.5928977183.

The spelling of 3839867 in words is "three million, eight hundred thirty-nine thousand, eight hundred sixty-seven".