918801 has 12 divisors (see below), whose sum is σ = 1429428. Its totient is φ = 565344.

The previous prime is 918793. The next prime is 918823. The reversal of 918801 is 108819.

It can be written as a sum of positive squares in 2 ways, for example, as 65025 + 853776 = 255^2 + 924^2 .

It is not a de Polignac number, because 918801 - 2³ = 918793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (918301) 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 11 ways as a sum of consecutive naturals, for example, 3810 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (119119).

2⁹¹⁸⁸⁰¹ is an apocalyptic number.

It is an amenable number.

918801 is a deficient number, since it is larger than the sum of its proper divisors (510627).

918801 is a wasteful number, since it uses less digits than its factorization.

918801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872 (or 7869 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 918801 is about 958.5410789319. The cubic root of 918801 is about 97.2166130218.

The spelling of 918801 in words is "nine hundred eighteen thousand, eight hundred one".