427686201 has 12 divisors (see below), whose sum is σ = 617949540. Its totient is φ = 285040800.

The previous prime is 427686197. The next prime is 427686241. The reversal of 427686201 is 102686724.

427686201 is a `hidden beast` number, since 4 + 27 + 6 + 8 + 620 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 261662976 + 166023225 = 16176^2 + 12885^2 .

It is not a de Polignac number, because 427686201 - 2² = 427686197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427686241) 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 11 ways as a sum of consecutive naturals, for example, 51015 + ... + 58803.

It is an arithmetic number, because the mean of its divisors is an integer number (51495795).

Almost surely, 2^427686201 is an apocalyptic number.

It is an amenable number.

427686201 is a deficient number, since it is larger than the sum of its proper divisors (190263339).

427686201 is a wasteful number, since it uses less digits than its factorization.

427686201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13896 (or 13893 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 427686201 is about 20680.5754513747. The cubic root of 427686201 is about 753.4279827083.

The spelling of 427686201 in words is "four hundred twenty-seven million, six hundred eighty-six thousand, two hundred one".