3875839 has 4 divisors (see below), whose sum is σ = 4228200. Its totient is φ = 3523480.

The previous prime is 3875827. The next prime is 3875869. The reversal of 3875839 is 9385783.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3875839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3875795 and 3875804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875869) 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, 176164 + ... + 176185.

It is an arithmetic number, because the mean of its divisors is an integer number (1057050).

Almost surely, 2^3875839 is an apocalyptic number.

3875839 is a deficient number, since it is larger than the sum of its proper divisors (352361).

3875839 is a wasteful number, since it uses less digits than its factorization.

3875839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352360.

The product of its digits is 181440, while the sum is 43.

The square root of 3875839 is about 1968.7150631821. The cubic root of 3875839 is about 157.0803677945.

It can be divided in two parts, 387 and 5839, that added together give a palindrome (6226).

The spelling of 3875839 in words is "three million, eight hundred seventy-five thousand, eight hundred thirty-nine".