3840343347 has 4 divisors (see below), whose sum is σ = 5120457800. Its totient is φ = 2560228896.

The previous prime is 3840343343. The next prime is 3840343349. The reversal of 3840343347 is 7433430483.

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

It is not a de Polignac number, because 3840343347 - 2² = 3840343343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840343343) 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, 640057222 + ... + 640057227.

It is an arithmetic number, because the mean of its divisors is an integer number (1280114450).

Almost surely, 2^3840343347 is an apocalyptic number.

3840343347 is a deficient number, since it is larger than the sum of its proper divisors (1280114453).

3840343347 is a wasteful number, since it uses less digits than its factorization.

3840343347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280114452.

The product of its (nonzero) digits is 290304, while the sum is 39.

The square root of 3840343347 is about 61970.5038465882. The cubic root of 3840343347 is about 1565.9937272314.

The spelling of 3840343347 in words is "three billion, eight hundred forty million, three hundred forty-three thousand, three hundred forty-seven".