3726403 has 2 divisors, whose sum is σ = 3726404. Its totient is φ = 3726402.

The previous prime is 3726397. The next prime is 3726407. The reversal of 3726403 is 3046273.

3726403 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 (3046273) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3726403 is a prime.

3726403 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3726407) 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, 1863201 + 1863202.

It is an arithmetic number, because the mean of its divisors is an integer number (1863202).

Almost surely, 2^3726403 is an apocalyptic number.

3726403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3726403 is an equidigital number, since it uses as much as digits as its factorization.

3726403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 3726403 is about 1930.3893389677. The cubic root of 3726403 is about 155.0350666411.

The spelling of 3726403 in words is "three million, seven hundred twenty-six thousand, four hundred three".