9218943 has 6 divisors (see below), whose sum is σ = 13316264. Its totient is φ = 6145956.

The previous prime is 9218917. The next prime is 9218953. The reversal of 9218943 is 3498129.

It is not a de Polignac number, because 9218943 - 2¹² = 9214847 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9218898 and 9218907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9218953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512155 + ... + 512172.

Almost surely, 2^9218943 is an apocalyptic number.

9218943 is a deficient number, since it is larger than the sum of its proper divisors (4097321).

9218943 is a wasteful number, since it uses less digits than its factorization.

9218943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024333 (or 1024330 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 9218943 is about 3036.2712329435. The cubic root of 9218943 is about 209.6816264125.

The spelling of 9218943 in words is "nine million, two hundred eighteen thousand, nine hundred forty-three".