3966441 has 4 divisors (see below), whose sum is σ = 5288592. Its totient is φ = 2644292.

The previous prime is 3966439. The next prime is 3966503. The reversal of 3966441 is 1446693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1446693 = 3 ⋅482231.

It is a cyclic number.

It is not a de Polignac number, because 3966441 - 2¹ = 3966439 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3966541) 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, 661071 + ... + 661076.

It is an arithmetic number, because the mean of its divisors is an integer number (1322148).

Almost surely, 2^3966441 is an apocalyptic number.

It is an amenable number.

3966441 is a deficient number, since it is larger than the sum of its proper divisors (1322151).

3966441 is a wasteful number, since it uses less digits than its factorization.

3966441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322150.

The product of its digits is 15552, while the sum is 33.

The square root of 3966441 is about 1991.5925788173. The cubic root of 3966441 is about 158.2949279581.

The spelling of 3966441 in words is "three million, nine hundred sixty-six thousand, four hundred forty-one".