41987209 has 8 divisors (see below), whose sum is σ = 46036800. Its totient is φ = 37976400.

The previous prime is 41987171. The next prime is 41987227. The reversal of 41987209 is 90278914.

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

It is not a de Polignac number, because 41987209 - 2⁷ = 41987081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41987269) 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, 7402 + ... + 11779.

It is an arithmetic number, because the mean of its divisors is an integer number (5754600).

Almost surely, 2^41987209 is an apocalyptic number.

It is an amenable number.

41987209 is a deficient number, since it is larger than the sum of its proper divisors (4049591).

41987209 is a wasteful number, since it uses less digits than its factorization.

41987209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19391.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 41987209 is about 6479.7537761863. The cubic root of 41987209 is about 347.5673737179.

The spelling of 41987209 in words is "forty-one million, nine hundred eighty-seven thousand, two hundred nine".