41909393 has 4 divisors (see below), whose sum is σ = 42065460. Its totient is φ = 41753328.

The previous prime is 41909359. The next prime is 41909407. The reversal of 41909393 is 39390914.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20638849 + 21270544 = 4543^2 + 4612^2 .

It is a cyclic number.

It is not a de Polignac number, because 41909393 - 2⁸ = 41909137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41909323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77630 + ... + 78167.

It is an arithmetic number, because the mean of its divisors is an integer number (10516365).

Almost surely, 2^41909393 is an apocalyptic number.

It is an amenable number.

41909393 is a deficient number, since it is larger than the sum of its proper divisors (156067).

41909393 is a wasteful number, since it uses less digits than its factorization.

41909393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156066.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 41909393 is about 6473.7464423624. The cubic root of 41909393 is about 347.3525223448.

The spelling of 41909393 in words is "forty-one million, nine hundred nine thousand, three hundred ninety-three".