3905413 has 2 divisors, whose sum is σ = 3905414. Its totient is φ = 3905412.

The previous prime is 3905383. The next prime is 3905417. The reversal of 3905413 is 3145093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 91204 = 1953^2 + 302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3905413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3905417) 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, 1952706 + 1952707.

It is an arithmetic number, because the mean of its divisors is an integer number (1952707).

Almost surely, 2^3905413 is an apocalyptic number.

It is an amenable number.

3905413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3905413 is an equidigital number, since it uses as much as digits as its factorization.

3905413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3905413 is about 1976.2117801491. The cubic root of 3905413 is about 157.4788818582.

The spelling of 3905413 in words is "three million, nine hundred five thousand, four hundred thirteen".