3946223 has 2 divisors, whose sum is σ = 3946224. Its totient is φ = 3946222.

The previous prime is 3946219. The next prime is 3946231. The reversal of 3946223 is 3226493.

It is a weak prime.

It is an emirp because it is prime and its reverse (3226493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3946223 - 2² = 3946219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3946213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973111 + 1973112.

It is an arithmetic number, because the mean of its divisors is an integer number (1973112).

Almost surely, 2^3946223 is an apocalyptic number.

3946223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946223 is an equidigital number, since it uses as much as digits as its factorization.

3946223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 3946223 is about 1986.5102567065. The cubic root of 3946223 is about 158.0255126243.

The spelling of 3946223 in words is "three million, nine hundred forty-six thousand, two hundred twenty-three".