918348394 has 16 divisors (see below), whose sum is σ = 1500026400. Its totient is φ = 420006384.

The previous prime is 918348391. The next prime is 918348443. The reversal of 918348394 is 493843819.

It is not an unprimeable number, because it can be changed into a prime (918348391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415572 + ... + 417775.

It is an arithmetic number, because the mean of its divisors is an integer number (93751650).

Almost surely, 2^918348394 is an apocalyptic number.

918348394 is a deficient number, since it is larger than the sum of its proper divisors (581678006).

918348394 is a wasteful number, since it uses less digits than its factorization.

918348394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833397.

The product of its digits is 746496, while the sum is 49.

The square root of 918348394 is about 30304.2636274172. The cubic root of 918348394 is about 972.0064726886.

The spelling of 918348394 in words is "nine hundred eighteen million, three hundred forty-eight thousand, three hundred ninety-four".