3858971 has 2 divisors, whose sum is σ = 3858972. Its totient is φ = 3858970.

The previous prime is 3858947. The next prime is 3858991. The reversal of 3858971 is 1798583.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3858971 is a prime.

It is not a weakly prime, because it can be changed into another prime (3858901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929485 + 1929486.

It is an arithmetic number, because the mean of its divisors is an integer number (1929486).

Almost surely, 2^3858971 is an apocalyptic number.

3858971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858971 is an equidigital number, since it uses as much as digits as its factorization.

3858971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 3858971 is about 1964.4263793790. The cubic root of 3858971 is about 156.8521604501.

The spelling of 3858971 in words is "three million, eight hundred fifty-eight thousand, nine hundred seventy-one".