41689209 has 8 divisors (see below), whose sum is σ = 56415520. Its totient is φ = 27377856.

The previous prime is 41689199. The next prime is 41689213. The reversal of 41689209 is 90298614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41689209 - 2⁵ = 41689177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41689229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103504 + ... + 103905.

It is an arithmetic number, because the mean of its divisors is an integer number (7051940).

Almost surely, 2^41689209 is an apocalyptic number.

It is an amenable number.

41689209 is a deficient number, since it is larger than the sum of its proper divisors (14726311).

41689209 is a wasteful number, since it uses less digits than its factorization.

41689209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207479.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 41689209 is about 6456.7181292047. The cubic root of 41689209 is about 346.7431458278.

The spelling of 41689209 in words is "forty-one million, six hundred eighty-nine thousand, two hundred nine".