9120918 has 8 divisors (see below), whose sum is σ = 18241848. Its totient is φ = 3040304.

The previous prime is 9120889. The next prime is 9120941. The reversal of 9120918 is 8190219.

It is a sphenic number, since it is the product of 3 distinct primes.

9120918 is an admirable number.

It is a super-2 number, since 2×9120918² = 166382290325448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760071 + ... + 760082.

It is an arithmetic number, because the mean of its divisors is an integer number (2280231).

Almost surely, 2^9120918 is an apocalyptic number.

9120918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9120918 is a wasteful number, since it uses less digits than its factorization.

9120918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520158.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 9120918 is about 3020.0857603717. The cubic root of 9120918 is about 208.9357952398.

The spelling of 9120918 in words is "nine million, one hundred twenty thousand, nine hundred eighteen".