3925971 has 24 divisors (see below), whose sum is σ = 6555744. Its totient is φ = 2217600.

The previous prime is 3925969. The next prime is 3925973. The reversal of 3925971 is 1795293.

It is an interprime number because it is at equal distance from previous prime (3925969) and next prime (3925973).

It is not a de Polignac number, because 3925971 - 2¹ = 3925969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3925973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6055 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (273156).

Almost surely, 2^3925971 is an apocalyptic number.

3925971 is a deficient number, since it is larger than the sum of its proper divisors (2629773).

3925971 is a wasteful number, since it uses less digits than its factorization.

3925971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 728 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 3925971 is about 1981.4063187544. The cubic root of 3925971 is about 157.7547201018.

The spelling of 3925971 in words is "three million, nine hundred twenty-five thousand, nine hundred seventy-one".