918852109 has 16 divisors (see below), whose sum is σ = 1076924160. Its totient is φ = 767733120.

The previous prime is 918852101. The next prime is 918852119. The reversal of 918852109 is 901258819.

It is not a de Polignac number, because 918852109 - 2³ = 918852101 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 (918852101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33847 + ... + 54619.

It is an arithmetic number, because the mean of its divisors is an integer number (67307760).

Almost surely, 2^918852109 is an apocalyptic number.

It is an amenable number.

918852109 is a deficient number, since it is larger than the sum of its proper divisors (158072051).

918852109 is a wasteful number, since it uses less digits than its factorization.

918852109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20940.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 918852109 is about 30312.5734473337. The cubic root of 918852109 is about 972.1841557091.

The spelling of 918852109 in words is "nine hundred eighteen million, eight hundred fifty-two thousand, one hundred nine".