41938991 has 2 divisors, whose sum is σ = 41938992. Its totient is φ = 41938990.

The previous prime is 41938973. The next prime is 41938999. The reversal of 41938991 is 19983914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41938991 - 2⁶ = 41938927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41938999) 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, 20969495 + 20969496.

It is an arithmetic number, because the mean of its divisors is an integer number (20969496).

Almost surely, 2^41938991 is an apocalyptic number.

41938991 is a deficient number, since it is larger than the sum of its proper divisors (1).

41938991 is an equidigital number, since it uses as much as digits as its factorization.

41938991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 44.

The square root of 41938991 is about 6476.0320413043. The cubic root of 41938991 is about 347.4342742696.

The spelling of 41938991 in words is "forty-one million, nine hundred thirty-eight thousand, nine hundred ninety-one".