200209986 has 48 divisors (see below), whose sum is σ = 479291904. Its totient is φ = 60077952.

The previous prime is 200209981. The next prime is 200209987. The reversal of 200209986 is 689902002.

It is a self number, because there is not a number n which added to its sum of digits gives 200209986.

It is not an unprimeable number, because it can be changed into a prime (200209981) 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 23 ways as a sum of consecutive naturals, for example, 7186 + ... + 21261.

It is an arithmetic number, because the mean of its divisors is an integer number (9985248).

Almost surely, 2^200209986 is an apocalyptic number.

200209986 is an abundant number, since it is smaller than the sum of its proper divisors (279081918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200209986 is a wasteful number, since it uses less digits than its factorization.

200209986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28495 (or 28492 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 200209986 is about 14149.5578022778. The cubic root of 200209986 is about 585.0081436517.

The spelling of 200209986 in words is "two hundred million, two hundred nine thousand, nine hundred eighty-six".