200390686 has 4 divisors (see below), whose sum is σ = 300586032. Its totient is φ = 100195342.

The previous prime is 200390683. The next prime is 200390693. The reversal of 200390686 is 686093002.

It is a happy number.

200390686 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200390683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50097670 + ... + 50097673.

It is an arithmetic number, because the mean of its divisors is an integer number (75146508).

Almost surely, 2^200390686 is an apocalyptic number.

200390686 is a deficient number, since it is larger than the sum of its proper divisors (100195346).

200390686 is a wasteful number, since it uses less digits than its factorization.

200390686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100195345.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 200390686 is about 14155.9417207051. The cubic root of 200390686 is about 585.1840908932.

The spelling of 200390686 in words is "two hundred million, three hundred ninety thousand, six hundred eighty-six".