200589987 has 54 divisors (see below), whose sum is σ = 316186668. Its totient is φ = 113038848.

The previous prime is 200589979. The next prime is 200589989. The reversal of 200589987 is 789985002.

It is a happy number.

It is not a de Polignac number, because 200589987 - 2³ = 200589979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200589989) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 5421333 + ... + 5421369.

Almost surely, 2^200589987 is an apocalyptic number.

200589987 is a deficient number, since it is larger than the sum of its proper divisors (115596681).

200589987 is a wasteful number, since it uses less digits than its factorization.

200589987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 200589987 is about 14162.9794534907. The cubic root of 200589987 is about 585.3780272709.

Multiplying 200589987 by its sum of digits (48), we get a square (9628319376 = 98124²).

The spelling of 200589987 in words is "two hundred million, five hundred eighty-nine thousand, nine hundred eighty-seven".