3926971 has 4 divisors (see below), whose sum is σ = 3947512. Its totient is φ = 3906432.

The previous prime is 3926963. The next prime is 3927013. The reversal of 3926971 is 1796293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1796293 = 47 ⋅38219.

It is a cyclic number.

It is not a de Polignac number, because 3926971 - 2³ = 3926963 is a prime.

It is a super-2 number, since 2×3926971² = 30842202469682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3926971.

It is not an unprimeable number, because it can be changed into a prime (3926911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9981 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (986878).

Almost surely, 2^3926971 is an apocalyptic number.

3926971 is a deficient number, since it is larger than the sum of its proper divisors (20541).

3926971 is a wasteful number, since it uses less digits than its factorization.

3926971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20540.

The product of its digits is 20412, while the sum is 37.

The square root of 3926971 is about 1981.6586487082. The cubic root of 3926971 is about 157.7681130796.

It can be divided in two parts, 39269 and 71, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 3926971 in words is "three million, nine hundred twenty-six thousand, nine hundred seventy-one".