3846921433 has 4 divisors (see below), whose sum is σ = 3893269968. Its totient is φ = 3800572900.

The previous prime is 3846921401. The next prime is 3846921437. The reversal of 3846921433 is 3341296483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3846921433 - 2⁵ = 3846921401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3846921433.

It is not an unprimeable number, because it can be changed into a prime (3846921437) 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, 23174143 + ... + 23174308.

It is an arithmetic number, because the mean of its divisors is an integer number (973317492).

Almost surely, 2^3846921433 is an apocalyptic number.

It is an amenable number.

3846921433 is a deficient number, since it is larger than the sum of its proper divisors (46348535).

3846921433 is an equidigital number, since it uses as much as digits as its factorization.

3846921433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46348534.

The product of its digits is 373248, while the sum is 43.

The square root of 3846921433 is about 62023.5554688701. Note that the first 3 decimals coincide. The cubic root of 3846921433 is about 1566.8873422412.

The spelling of 3846921433 in words is "three billion, eight hundred forty-six million, nine hundred twenty-one thousand, four hundred thirty-three".