200090389 has 2 divisors, whose sum is σ = 200090390. Its totient is φ = 200090388.

The previous prime is 200090383. The next prime is 200090419. The reversal of 200090389 is 983090002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190909489 + 9180900 = 13817^2 + 3030^2 .

It is a cyclic number.

It is not a de Polignac number, because 200090389 - 2²³ = 191701781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200090389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200090383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100045194 + 100045195.

It is an arithmetic number, because the mean of its divisors is an integer number (100045195).

Almost surely, 2^200090389 is an apocalyptic number.

It is an amenable number.

200090389 is a deficient number, since it is larger than the sum of its proper divisors (1).

200090389 is an equidigital number, since it uses as much as digits as its factorization.

200090389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 200090389 is about 14145.3309964808. The cubic root of 200090389 is about 584.8916340536.

The spelling of 200090389 in words is "two hundred million, ninety thousand, three hundred eighty-nine".