918508342 has 16 divisors (see below), whose sum is σ = 1415005200. Its totient is φ = 446994400.

The previous prime is 918508307. The next prime is 918508343. The reversal of 918508342 is 243805819.

It is a junction number, because it is equal to n+sod(n) for n = 918508295 and 918508304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918508343) by changing a digit.

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, 26617 + ... + 50452.

It is an arithmetic number, because the mean of its divisors is an integer number (88437825).

Almost surely, 2^918508342 is an apocalyptic number.

918508342 is a deficient number, since it is larger than the sum of its proper divisors (496496858).

918508342 is a wasteful number, since it uses less digits than its factorization.

918508342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77231.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 918508342 is about 30306.9025471096. The cubic root of 918508342 is about 972.0629006075.

The spelling of 918508342 in words is "nine hundred eighteen million, five hundred eight thousand, three hundred forty-two".