918384485 has 4 divisors (see below), whose sum is σ = 1102061388. Its totient is φ = 734707584.

The previous prime is 918384473. The next prime is 918384487. The reversal of 918384485 is 584483819.

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 102596641 + 815787844 = 10129^2 + 28562^2 .

It is a cyclic number.

It is not a de Polignac number, because 918384485 - 2⁴ = 918384469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918384487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91838444 + ... + 91838453.

It is an arithmetic number, because the mean of its divisors is an integer number (275515347).

Almost surely, 2^918384485 is an apocalyptic number.

It is an amenable number.

918384485 is a deficient number, since it is larger than the sum of its proper divisors (183676903).

918384485 is a wasteful number, since it uses less digits than its factorization.

918384485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183676902.

The product of its digits is 1105920, while the sum is 50.

The square root of 918384485 is about 30304.8590988310. The cubic root of 918384485 is about 972.0192057742.

The spelling of 918384485 in words is "nine hundred eighteen million, three hundred eighty-four thousand, four hundred eighty-five".