3538391 has 2 divisors, whose sum is σ = 3538392. Its totient is φ = 3538390.

The previous prime is 3538387. The next prime is 3538399. The reversal of 3538391 is 1938353.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3538391 - 2² = 3538387 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3538399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769195 + 1769196.

It is an arithmetic number, because the mean of its divisors is an integer number (1769196).

Almost surely, 2^3538391 is an apocalyptic number.

3538391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3538391 is an equidigital number, since it uses as much as digits as its factorization.

3538391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 3538391 is about 1881.0611366992. The cubic root of 3538391 is about 152.3825629961.

The spelling of 3538391 in words is "three million, five hundred thirty-eight thousand, three hundred ninety-one".