3867601 has 2 divisors, whose sum is σ = 3867602. Its totient is φ = 3867600.

The previous prime is 3867599. The next prime is 3867623. The reversal of 3867601 is 1067683.

3867601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 389376 = 1865^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 3867601 - 2¹ = 3867599 is a prime.

Together with 3867599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3867691) 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 as a sum of consecutive naturals, namely, 1933800 + 1933801.

It is an arithmetic number, because the mean of its divisors is an integer number (1933801).

Almost surely, 2^3867601 is an apocalyptic number.

3867601 is the 880-th centered decagonal number.

It is an amenable number.

3867601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3867601 is an equidigital number, since it uses as much as digits as its factorization.

3867601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3867601 is about 1966.6217226503. The cubic root of 3867601 is about 156.9689987067.

The spelling of 3867601 in words is "three million, eight hundred sixty-seven thousand, six hundred one".