200486381 has 4 divisors (see below), whose sum is σ = 201024252. Its totient is φ = 199948512.

The previous prime is 200486371. The next prime is 200486399. The reversal of 200486381 is 183684002.

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 162970756 + 37515625 = 12766^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 200486381 - 2¹⁰ = 200485357 is a prime.

It is a super-2 number, since 2×200486381² = 80389577932954322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200486371) 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, 268376 + ... + 269121.

It is an arithmetic number, because the mean of its divisors is an integer number (50256063).

Almost surely, 2^200486381 is an apocalyptic number.

It is an amenable number.

200486381 is a deficient number, since it is larger than the sum of its proper divisors (537871).

200486381 is an equidigital number, since it uses as much as digits as its factorization.

200486381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537870.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 200486381 is about 14159.3213467313. The cubic root of 200486381 is about 585.2772260933.

The spelling of 200486381 in words is "two hundred million, four hundred eighty-six thousand, three hundred eighty-one".