4443161 has 4 divisors (see below), whose sum is σ = 4447524. Its totient is φ = 4438800.

The previous prime is 4443157. The next prime is 4443181. The reversal of 4443161 is 1613444.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 2383936 + 2059225 = 1544^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443161 - 2² = 4443157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443121) 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, 251 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (1111881).

Almost surely, 2^4443161 is an apocalyptic number.

It is an amenable number.

4443161 is a deficient number, since it is larger than the sum of its proper divisors (4363).

4443161 is a wasteful number, since it uses less digits than its factorization.

4443161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its digits is 1152, while the sum is 23.

The square root of 4443161 is about 2107.8806892232. The cubic root of 4443161 is about 164.3983105341.

The spelling of 4443161 in words is "four million, four hundred forty-three thousand, one hundred sixty-one".