Search a number
-
+
3884161 is a prime number
BaseRepresentation
bin1110110100010010000001
321022100001211
432310102001
51443243121
6215130121
745005041
oct16642201
97270054
103884161
112213256
121373941
13a5cc28
14731721
1551ace1
hex3b4481

3884161 has 2 divisors, whose sum is σ = 3884162. Its totient is φ = 3884160.

The previous prime is 3884159. The next prime is 3884183. The reversal of 3884161 is 1614883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3330625 + 553536 = 1825^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 3884161 - 21 = 3884159 is a prime.

Together with 3884159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3884131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942080 + 1942081.

It is an arithmetic number, because the mean of its divisors is an integer number (1942081).

Almost surely, 23884161 is an apocalyptic number.

It is an amenable number.

3884161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3884161 is an equidigital number, since it uses as much as digits as its factorization.

3884161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 3884161 is about 1970.8274911823. The cubic root of 3884161 is about 157.1927123591.

The spelling of 3884161 in words is "three million, eight hundred eighty-four thousand, one hundred sixty-one".