3940303 has 2 divisors, whose sum is σ = 3940304. Its totient is φ = 3940302.

The previous prime is 3940301. The next prime is 3940309. The reversal of 3940303 is 3030493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3940303 - 2¹ = 3940301 is a prime.

Together with 3940301, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3940301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970151 + 1970152.

It is an arithmetic number, because the mean of its divisors is an integer number (1970152).

Almost surely, 2^3940303 is an apocalyptic number.

3940303 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940303 is an equidigital number, since it uses as much as digits as its factorization.

3940303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 3940303 is about 1985.0196472579. The cubic root of 3940303 is about 157.9464514365.

Adding to 3940303 its reverse (3030493), we get a palindrome (6970796).

The spelling of 3940303 in words is "three million, nine hundred forty thousand, three hundred three".