918389996 has 12 divisors (see below), whose sum is σ = 1646382360. Its totient is φ = 447995040.

The previous prime is 918389981. The next prime is 918389999. The reversal of 918389996 is 699983819.

It is not an unprimeable number, because it can be changed into a prime (918389999) 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 3 ways as a sum of consecutive naturals, for example, 2799806 + ... + 2800133.

It is an arithmetic number, because the mean of its divisors is an integer number (137198530).

Almost surely, 2^918389996 is an apocalyptic number.

It is an amenable number.

918389996 is a deficient number, since it is larger than the sum of its proper divisors (727992364).

918389996 is a wasteful number, since it uses less digits than its factorization.

918389996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599984 (or 5599982 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 62.

The square root of 918389996 is about 30304.9500247072. The cubic root of 918389996 is about 972.0211500532.

The spelling of 918389996 in words is "nine hundred eighteen million, three hundred eighty-nine thousand, nine hundred ninety-six".