4404161 has 2 divisors, whose sum is σ = 4404162. Its totient is φ = 4404160.

The previous prime is 4404157. The next prime is 4404167. The reversal of 4404161 is 1614044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 323761 = 2020^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404161 - 2² = 4404157 is a prime.

It is a super-2 number, since 2×4404161² = 38793268227842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4404167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202080 + 2202081.

It is an arithmetic number, because the mean of its divisors is an integer number (2202081).

Almost surely, 2^4404161 is an apocalyptic number.

It is an amenable number.

4404161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404161 is an equidigital number, since it uses as much as digits as its factorization.

4404161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4404161 is about 2098.6093014184. The cubic root of 4404161 is about 163.9158923277.

The spelling of 4404161 in words is "four million, four hundred four thousand, one hundred sixty-one".