3979441 has 4 divisors (see below), whose sum is σ = 3983652. Its totient is φ = 3975232.

The previous prime is 3979433. The next prime is 3979463. The reversal of 3979441 is 1449793.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1449793 = 1123 ⋅1291.

It can be written as a sum of positive squares in 2 ways, for example, as 1948816 + 2030625 = 1396^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 3979441 - 2³ = 3979433 is a prime.

It is a Duffinian number.

3979441 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3979441.

It is not an unprimeable number, because it can be changed into a prime (3979141) 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, 45 + ... + 2821.

It is an arithmetic number, because the mean of its divisors is an integer number (995913).

Almost surely, 2^3979441 is an apocalyptic number.

It is an amenable number.

3979441 is a deficient number, since it is larger than the sum of its proper divisors (4211).

3979441 is a wasteful number, since it uses less digits than its factorization.

3979441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210.

The product of its digits is 27216, while the sum is 37.

The square root of 3979441 is about 1994.8536287157. The cubic root of 3979441 is about 158.4676764386.

The spelling of 3979441 in words is "three million, nine hundred seventy-nine thousand, four hundred forty-one".