201386286 has 24 divisors (see below), whose sum is σ = 446486040. Its totient is φ = 65567376.

The previous prime is 201386249. The next prime is 201386287. The reversal of 201386286 is 682683102.

201386286 is a `hidden beast` number, since 20 + 1 + 3 + 8 + 628 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 201386286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201386287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129321 + ... + 130868.

It is an arithmetic number, because the mean of its divisors is an integer number (18603585).

Almost surely, 2^201386286 is an apocalyptic number.

201386286 is an abundant number, since it is smaller than the sum of its proper divisors (245099754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201386286 is a wasteful number, since it uses less digits than its factorization.

201386286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260240 (or 260237 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 201386286 is about 14191.0635965033. The cubic root of 201386286 is about 586.1516127022.

The spelling of 201386286 in words is "two hundred one million, three hundred eighty-six thousand, two hundred eighty-six".