3843838667 has 4 divisors (see below), whose sum is σ = 3843964176. Its totient is φ = 3843713160.

The previous prime is 3843838651. The next prime is 3843838697. The reversal of 3843838667 is 7668383483.

It is a happy number.

3843838667 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7668383483 = 40699 ⋅188417.

It is a cyclic number.

It is not a de Polignac number, because 3843838667 - 2⁴ = 3843838651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3843838627) 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, 16817 + ... + 89277.

It is an arithmetic number, because the mean of its divisors is an integer number (960991044).

Almost surely, 2^3843838667 is an apocalyptic number.

3843838667 is a deficient number, since it is larger than the sum of its proper divisors (125509).

3843838667 is an equidigital number, since it uses as much as digits as its factorization.

3843838667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125508.

The product of its digits is 13934592, while the sum is 56.

The square root of 3843838667 is about 61998.6989137675. The cubic root of 3843838667 is about 1566.4686838443.

The spelling of 3843838667 in words is "three billion, eight hundred forty-three million, eight hundred thirty-eight thousand, six hundred sixty-seven".