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839441 is a prime number
BaseRepresentation
bin11001100111100010001
31120122111102
43030330101
5203330231
625554145
710064231
oct3147421
91518442
10839441
11523759
12345955
13235115
1417bcc1
15118acb
hexccf11

839441 has 2 divisors, whose sum is σ = 839442. Its totient is φ = 839440.

The previous prime is 839437. The next prime is 839453. The reversal of 839441 is 144938.

839441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 38416 = 895^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 839441 - 22 = 839437 is a prime.

It is a super-2 number, since 2×8394412 = 1409322384962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (839471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419720 + 419721.

It is an arithmetic number, because the mean of its divisors is an integer number (419721).

2839441 is an apocalyptic number.

It is an amenable number.

839441 is a deficient number, since it is larger than the sum of its proper divisors (1).

839441 is an equidigital number, since it uses as much as digits as its factorization.

839441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 839441 is about 916.2101287369. The cubic root of 839441 is about 94.3329448750.

The spelling of 839441 in words is "eight hundred thirty-nine thousand, four hundred forty-one".