3838739 has 4 divisors (see below), whose sum is σ = 3928056. Its totient is φ = 3749424.

The previous prime is 3838729. The next prime is 3838771. The reversal of 3838739 is 9378383.

3838739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-3838739 is a prime.

It is a super-2 number, since 2×3838739² = 29471834220242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3838696 and 3838705.

It is not an unprimeable number, because it can be changed into a prime (3838729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44594 + ... + 44679.

It is an arithmetic number, because the mean of its divisors is an integer number (982014).

Almost surely, 2^3838739 is an apocalyptic number.

3838739 is a deficient number, since it is larger than the sum of its proper divisors (89317).

3838739 is an equidigital number, since it uses as much as digits as its factorization.

3838739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89316.

The product of its digits is 108864, while the sum is 41.

The square root of 3838739 is about 1959.2700171237. The cubic root of 3838739 is about 156.5775626309.

The spelling of 3838739 in words is "three million, eight hundred thirty-eight thousand, seven hundred thirty-nine".