200890369 has 4 divisors (see below), whose sum is σ = 200959060. Its totient is φ = 200821680.

The previous prime is 200890307. The next prime is 200890387. The reversal of 200890369 is 963098002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151609969 + 49280400 = 12313^2 + 7020^2 .

It is a cyclic number.

It is not a de Polignac number, because 200890369 - 2¹¹ = 200888321 is a prime.

It is a super-2 number, since 2×200890369² = 80713880713912322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200890399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29754 + ... + 35875.

It is an arithmetic number, because the mean of its divisors is an integer number (50239765).

Almost surely, 2^200890369 is an apocalyptic number.

It is an amenable number.

200890369 is a deficient number, since it is larger than the sum of its proper divisors (68691).

200890369 is an equidigital number, since it uses as much as digits as its factorization.

200890369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68690.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 200890369 is about 14173.5799641446. The cubic root of 200890369 is about 585.6700812706.

The spelling of 200890369 in words is "two hundred million, eight hundred ninety thousand, three hundred sixty-nine".