3916403 has 2 divisors, whose sum is σ = 3916404. Its totient is φ = 3916402.

The previous prime is 3916391. The next prime is 3916411. The reversal of 3916403 is 3046193.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3916403 - 2⁴ = 3916387 is a prime.

It is not a weakly prime, because it can be changed into another prime (3916433) 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 as a sum of consecutive naturals, namely, 1958201 + 1958202.

It is an arithmetic number, because the mean of its divisors is an integer number (1958202).

Almost surely, 2^3916403 is an apocalyptic number.

3916403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3916403 is an equidigital number, since it uses as much as digits as its factorization.

3916403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3916403 is about 1978.9903991682. The cubic root of 3916403 is about 157.6264609602.

The spelling of 3916403 in words is "three million, nine hundred sixteen thousand, four hundred three".