200790389 has 4 divisors (see below), whose sum is σ = 201085056. Its totient is φ = 200495724.

The previous prime is 200790367. The next prime is 200790419. The reversal of 200790389 is 983097002.

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, and also an emirpimes, since its reverse is a distinct semiprime: 983097002 = 2 ⋅491548501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200790389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200793389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146309 + ... + 147674.

It is an arithmetic number, because the mean of its divisors is an integer number (50271264).

Almost surely, 2^200790389 is an apocalyptic number.

It is an amenable number.

200790389 is a deficient number, since it is larger than the sum of its proper divisors (294667).

200790389 is an equidigital number, since it uses as much as digits as its factorization.

200790389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294666.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 200790389 is about 14170.0525404813. The cubic root of 200790389 is about 585.5729055296.

The spelling of 200790389 in words is "two hundred million, seven hundred ninety thousand, three hundred eighty-nine".