200237889 has 4 divisors (see below), whose sum is σ = 266983856. Its totient is φ = 133491924.

The previous prime is 200237881. The next prime is 200237909. The reversal of 200237889 is 988732002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200237889 - 2³ = 200237881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200237881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33372979 + ... + 33372984.

It is an arithmetic number, because the mean of its divisors is an integer number (66745964).

Almost surely, 2^200237889 is an apocalyptic number.

It is an amenable number.

200237889 is a deficient number, since it is larger than the sum of its proper divisors (66745967).

200237889 is an equidigital number, since it uses as much as digits as its factorization.

200237889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66745966.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 200237889 is about 14150.5437704704. The cubic root of 200237889 is about 585.0353196587.

The spelling of 200237889 in words is "two hundred million, two hundred thirty-seven thousand, eight hundred eighty-nine".