209284941 has 16 divisors (see below), whose sum is σ = 283449600. Its totient is φ = 137329920.

The previous prime is 209284939. The next prime is 209284949. The reversal of 209284941 is 149482902.

It is not a de Polignac number, because 209284941 - 2¹ = 209284939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 209284941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209284949) 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 in 15 ways as a sum of consecutive naturals, for example, 198985 + ... + 200033.

It is an arithmetic number, because the mean of its divisors is an integer number (17715600).

Almost surely, 2^209284941 is an apocalyptic number.

It is an amenable number.

209284941 is a deficient number, since it is larger than the sum of its proper divisors (74164659).

209284941 is a wasteful number, since it uses less digits than its factorization.

209284941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 209284941 is about 14466.6838287149. The cubic root of 209284941 is about 593.7167844614.

The spelling of 209284941 in words is "two hundred nine million, two hundred eighty-four thousand, nine hundred forty-one".