4644161 has 2 divisors, whose sum is σ = 4644162. Its totient is φ = 4644160.

The previous prime is 4644149. The next prime is 4644209. The reversal of 4644161 is 1614464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4330561 + 313600 = 2081^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 4644161 - 2⁶ = 4644097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4644161.

It is not a weakly prime, because it can be changed into another prime (4644131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322080 + 2322081.

It is an arithmetic number, because the mean of its divisors is an integer number (2322081).

Almost surely, 2^4644161 is an apocalyptic number.

It is an amenable number.

4644161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644161 is an equidigital number, since it uses as much as digits as its factorization.

4644161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 4644161 is about 2155.0315542933. The cubic root of 4644161 is about 166.8408609857.

The spelling of 4644161 in words is "four million, six hundred forty-four thousand, one hundred sixty-one".