4444161 has 4 divisors (see below), whose sum is σ = 5925552. Its totient is φ = 2962772.

The previous prime is 4444159. The next prime is 4444169. The reversal of 4444161 is 1614444.

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.

It is a cyclic number.

It is not a de Polignac number, because 4444161 - 2¹ = 4444159 is a prime.

It is a D-number.

It is a Curzon number.

4444161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4444169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740691 + ... + 740696.

It is an arithmetic number, because the mean of its divisors is an integer number (1481388).

It is a Proth number, since it is equal to 1085 ⋅ 2¹² + 1 and 1085 < 2¹².

Almost surely, 2^4444161 is an apocalyptic number.

It is an amenable number.

4444161 is a deficient number, since it is larger than the sum of its proper divisors (1481391).

4444161 is a wasteful number, since it uses less digits than its factorization.

4444161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481390.

The product of its digits is 1536, while the sum is 24.

The square root of 4444161 is about 2108.1178809545. The cubic root of 4444161 is about 164.4106430438.

The spelling of 4444161 in words is "four million, four hundred forty-four thousand, one hundred sixty-one".