3393847 has 4 divisors (see below), whose sum is σ = 3400096. Its totient is φ = 3387600.

The previous prime is 3393839. The next prime is 3393851. The reversal of 3393847 is 7483933.

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 3393847 - 2³ = 3393839 is a prime.

It is a Duffinian number.

3393847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3393347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223 + ... + 3424.

It is an arithmetic number, because the mean of its divisors is an integer number (850024).

Almost surely, 2^3393847 is an apocalyptic number.

3393847 is a deficient number, since it is larger than the sum of its proper divisors (6249).

3393847 is an equidigital number, since it uses as much as digits as its factorization.

3393847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248.

The product of its digits is 54432, while the sum is 37.

The square root of 3393847 is about 1842.2396695327. The cubic root of 3393847 is about 150.2786966819.

It can be divided in two parts, 339 and 3847, that added together give a triangular number (4186 = T₉₁).

The spelling of 3393847 in words is "three million, three hundred ninety-three thousand, eight hundred forty-seven".