9218345 has 8 divisors (see below), whose sum is σ = 11297664. Its totient is φ = 7217584.

The previous prime is 9218327. The next prime is 9218347. The reversal of 9218345 is 5438129.

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

It is a cyclic number.

It is not a de Polignac number, because 9218345 - 2⁶ = 9218281 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9218347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19379 + ... + 19848.

It is an arithmetic number, because the mean of its divisors is an integer number (1412208).

Almost surely, 2^9218345 is an apocalyptic number.

It is an amenable number.

9218345 is a deficient number, since it is larger than the sum of its proper divisors (2079319).

9218345 is a wasteful number, since it uses less digits than its factorization.

9218345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39279.

The product of its digits is 8640, while the sum is 32.

The square root of 9218345 is about 3036.1727552957. The cubic root of 9218345 is about 209.6770925477.

The spelling of 9218345 in words is "nine million, two hundred eighteen thousand, three hundred forty-five".