918361 has 2 divisors, whose sum is σ = 918362. Its totient is φ = 918360.

The previous prime is 918353. The next prime is 918371. The reversal of 918361 is 163819.

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., 891136 + 27225 = 944^2 + 165^2 .

It is an emirp because it is prime and its reverse (163819) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 918361 - 2³ = 918353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (918301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459180 + 459181.

It is an arithmetic number, because the mean of its divisors is an integer number (459181).

2⁹¹⁸³⁶¹ is an apocalyptic number.

It is an amenable number.

918361 is a deficient number, since it is larger than the sum of its proper divisors (1).

918361 is an equidigital number, since it uses as much as digits as its factorization.

918361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 918361 is about 958.3115359840. The cubic root of 918361 is about 97.2010920186.

The spelling of 918361 in words is "nine hundred eighteen thousand, three hundred sixty-one".