3623947 has 2 divisors, whose sum is σ = 3623948. Its totient is φ = 3623946.

The previous prime is 3623933. The next prime is 3623951. The reversal of 3623947 is 7493263.

3623947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7493263) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3623947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3623987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811973 + 1811974.

It is an arithmetic number, because the mean of its divisors is an integer number (1811974).

Almost surely, 2^3623947 is an apocalyptic number.

3623947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3623947 is an equidigital number, since it uses as much as digits as its factorization.

3623947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 3623947 is about 1903.6667250336. Note that the first 3 decimals coincide. The cubic root of 3623947 is about 153.6009655927.

The spelling of 3623947 in words is "three million, six hundred twenty-three thousand, nine hundred forty-seven".