3340847 has 2 divisors, whose sum is σ = 3340848. Its totient is φ = 3340846.

The previous prime is 3340837. The next prime is 3340849. The reversal of 3340847 is 7480433.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3340847 is a prime.

It is a super-2 number, since 2×3340847² = 22322517354818, which contains 22 as substring.

Together with 3340849, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3340849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670423 + 1670424.

It is an arithmetic number, because the mean of its divisors is an integer number (1670424).

Almost surely, 2^3340847 is an apocalyptic number.

3340847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340847 is an equidigital number, since it uses as much as digits as its factorization.

3340847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 3340847 is about 1827.7984024503. The cubic root of 3340847 is about 149.4923132627.

The spelling of 3340847 in words is "three million, three hundred forty thousand, eight hundred forty-seven".