3895971 has 8 divisors (see below), whose sum is σ = 5305344. Its totient is φ = 2541960.

The previous prime is 3895967. The next prime is 3895981. The reversal of 3895971 is 1795983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3895971 - 2² = 3895967 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3895921) 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 7 ways as a sum of consecutive naturals, for example, 13675 + ... + 13956.

It is an arithmetic number, because the mean of its divisors is an integer number (663168).

Almost surely, 2^3895971 is an apocalyptic number.

3895971 is a deficient number, since it is larger than the sum of its proper divisors (1409373).

3895971 is a wasteful number, since it uses less digits than its factorization.

3895971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27681.

The product of its digits is 68040, while the sum is 42.

The square root of 3895971 is about 1973.8214204938. The cubic root of 3895971 is about 157.3518687864.

The spelling of 3895971 in words is "three million, eight hundred ninety-five thousand, nine hundred seventy-one".