918271338 has 16 divisors (see below), whose sum is σ = 1843528896. Its totient is φ = 304926080.

The previous prime is 918271313. The next prime is 918271363. The reversal of 918271338 is 833172819.

It is an interprime number because it is at equal distance from previous prime (918271313) and next prime (918271363).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 918271338.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289383 + ... + 292538.

It is an arithmetic number, because the mean of its divisors is an integer number (115220556).

Almost surely, 2^918271338 is an apocalyptic number.

918271338 is an abundant number, since it is smaller than the sum of its proper divisors (925257558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

918271338 is a wasteful number, since it uses less digits than its factorization.

918271338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582189.

The product of its digits is 72576, while the sum is 42.

The square root of 918271338 is about 30302.9922284912. The cubic root of 918271338 is about 971.9792858293.

The spelling of 918271338 in words is "nine hundred eighteen million, two hundred seventy-one thousand, three hundred thirty-eight".