3864347 has 2 divisors, whose sum is σ = 3864348. Its totient is φ = 3864346.

The previous prime is 3864331. The next prime is 3864349. The reversal of 3864347 is 7434683.

It is a strong prime.

It is an emirp because it is prime and its reverse (7434683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3864347 - 2⁴ = 3864331 is a prime.

Together with 3864349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3864349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932173 + 1932174.

It is an arithmetic number, because the mean of its divisors is an integer number (1932174).

Almost surely, 2^3864347 is an apocalyptic number.

3864347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864347 is an equidigital number, since it uses as much as digits as its factorization.

3864347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 3864347 is about 1965.7942415217. The cubic root of 3864347 is about 156.9249644818.

The spelling of 3864347 in words is "three million, eight hundred sixty-four thousand, three hundred forty-seven".