9218873 has 12 divisors (see below), whose sum is σ = 9759204. Its totient is φ = 8704800.

The previous prime is 9218861. The next prime is 9218917. The reversal of 9218873 is 3788129.

9218873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2598544 + 6620329 = 1612^2 + 2573^2 .

It is not a de Polignac number, because 9218873 - 2¹⁴ = 9202489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9218843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50843 + ... + 51023.

It is an arithmetic number, because the mean of its divisors is an integer number (813267).

Almost surely, 2^9218873 is an apocalyptic number.

It is an amenable number.

9218873 is a deficient number, since it is larger than the sum of its proper divisors (540331).

9218873 is a wasteful number, since it uses less digits than its factorization.

9218873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 265 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 9218873 is about 3036.2597056247. The cubic root of 9218873 is about 209.6810957027.

It can be divided in two parts, 92 and 18873, that multiplied together give a triangular number (1736316 = T₁₈₆₃).

The spelling of 9218873 in words is "nine million, two hundred eighteen thousand, eight hundred seventy-three".