200000986 has 4 divisors (see below), whose sum is σ = 300001482. Its totient is φ = 100000492.

The previous prime is 200000929. The next prime is 200000987. The reversal of 200000986 is 689000002.

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

It can be written as a sum of positive squares in only one way, i.e., 148376761 + 51624225 = 12181^2 + 7185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200000986.

It is not an unprimeable number, because it can be changed into a prime (200000987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000245 + ... + 50000248.

Almost surely, 2^200000986 is an apocalyptic number.

200000986 is a deficient number, since it is larger than the sum of its proper divisors (100000496).

200000986 is a wasteful number, since it uses less digits than its factorization.

200000986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100000495.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 200000986 is about 14142.1704840523. The cubic root of 200000986 is about 584.8045086682.

Adding to 200000986 its reverse (689000002), we get a palindrome (889000988).

The spelling of 200000986 in words is "two hundred million, nine hundred eighty-six", and thus it is an aban number.