3867071 has 4 divisors (see below), whose sum is σ = 4164552. Its totient is φ = 3569592.

The previous prime is 3867047. The next prime is 3867077. The reversal of 3867071 is 1707683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1707683 = 173 ⋅9871.

It is a de Polignac number, because none of the positive numbers 2^k-3867071 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148721 + ... + 148746.

It is an arithmetic number, because the mean of its divisors is an integer number (1041138).

Almost surely, 2^3867071 is an apocalyptic number.

3867071 is a deficient number, since it is larger than the sum of its proper divisors (297481).

3867071 is a wasteful number, since it uses less digits than its factorization.

3867071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297480.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 3867071 is about 1966.4869691915. The cubic root of 3867071 is about 156.9618282523.

The spelling of 3867071 in words is "three million, eight hundred sixty-seven thousand, seventy-one".