3846673991 has 4 divisors (see below), whose sum is σ = 3855357672. Its totient is φ = 3837990312.

The previous prime is 3846673951. The next prime is 3846673993. The reversal of 3846673991 is 1993766483.

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

It is a cyclic number.

It is not a de Polignac number, because 3846673991 - 2¹⁸ = 3846411847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3846673993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4341176 + ... + 4342061.

It is an arithmetic number, because the mean of its divisors is an integer number (963839418).

Almost surely, 2^3846673991 is an apocalyptic number.

3846673991 is a deficient number, since it is larger than the sum of its proper divisors (8683681).

3846673991 is an equidigital number, since it uses as much as digits as its factorization.

3846673991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683680.

The product of its digits is 5878656, while the sum is 56.

The square root of 3846673991 is about 62021.5606946488. The cubic root of 3846673991 is about 1566.8537463683.

The spelling of 3846673991 in words is "three billion, eight hundred forty-six million, six hundred seventy-three thousand, nine hundred ninety-one".