201867268 has 12 divisors (see below), whose sum is σ = 356394780. Its totient is φ = 100040192.

The previous prime is 201867247. The next prime is 201867269. The reversal of 201867268 is 862768102.

It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 198302724 = 1888^2 + 14082^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201867268.

It is not an unprimeable number, because it can be changed into a prime (201867269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222853 + ... + 223756.

It is an arithmetic number, because the mean of its divisors is an integer number (29699565).

Almost surely, 2^201867268 is an apocalyptic number.

It is an amenable number.

201867268 is a deficient number, since it is larger than the sum of its proper divisors (154527512).

201867268 is a wasteful number, since it uses less digits than its factorization.

201867268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446726 (or 446724 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 201867268 is about 14208.0001407658. Note that the first 3 decimals coincide. The cubic root of 201867268 is about 586.6178877889.

The spelling of 201867268 in words is "two hundred one million, eight hundred sixty-seven thousand, two hundred sixty-eight".