3845971 has 4 divisors (see below), whose sum is σ = 3892392. Its totient is φ = 3799552.

The previous prime is 3845939. The next prime is 3845977. The reversal of 3845971 is 1795483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3845971 - 2⁵ = 3845939 is a prime.

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 3845971.

It is not an unprimeable number, because it can be changed into a prime (3845977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23086 + ... + 23251.

It is an arithmetic number, because the mean of its divisors is an integer number (973098).

Almost surely, 2^3845971 is an apocalyptic number.

3845971 is a deficient number, since it is larger than the sum of its proper divisors (46421).

3845971 is an equidigital number, since it uses as much as digits as its factorization.

3845971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46420.

The product of its digits is 30240, while the sum is 37.

The square root of 3845971 is about 1961.1147340225. The cubic root of 3845971 is about 156.6758291508.

The spelling of 3845971 in words is "three million, eight hundred forty-five thousand, nine hundred seventy-one".