3871607 has 2 divisors, whose sum is σ = 3871608. Its totient is φ = 3871606.

The previous prime is 3871603. The next prime is 3871619. The reversal of 3871607 is 7061783.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3871607 - 2² = 3871603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3871601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935803 + 1935804.

It is an arithmetic number, because the mean of its divisors is an integer number (1935804).

Almost surely, 2^3871607 is an apocalyptic number.

3871607 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871607 is an equidigital number, since it uses as much as digits as its factorization.

3871607 is an evil number, because the sum of its binary digits is even.

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

The square root of 3871607 is about 1967.6399569027. The cubic root of 3871607 is about 157.0231753420.

The spelling of 3871607 in words is "three million, eight hundred seventy-one thousand, six hundred seven".