918097 has 4 divisors (see below), whose sum is σ = 921780. Its totient is φ = 914416.

The previous prime is 918089. The next prime is 918103. The reversal of 918097 is 790819.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 450241 = 684^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 918097 - 2³ = 918089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438 + ... + 1975.

It is an arithmetic number, because the mean of its divisors is an integer number (230445).

2⁹¹⁸⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

918097 is a deficient number, since it is larger than the sum of its proper divisors (3683).

918097 is a wasteful number, since it uses less digits than its factorization.

918097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 918097 is about 958.1737838200. The cubic root of 918097 is about 97.1917770370.

The spelling of 918097 in words is "nine hundred eighteen thousand, ninety-seven".