9938223 has 6 divisors (see below), whose sum is σ = 14355224. Its totient is φ = 6625476.

The previous prime is 9938221. The next prime is 9938233. The reversal of 9938223 is 3228399.

It is not a de Polignac number, because 9938223 - 2¹ = 9938221 is a prime.

It is a Duffinian number.

9938223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938221) 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, 552115 + ... + 552132.

Almost surely, 2^9938223 is an apocalyptic number.

9938223 is a deficient number, since it is larger than the sum of its proper divisors (4417001).

9938223 is a wasteful number, since it uses less digits than its factorization.

9938223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104253 (or 1104250 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 9938223 is about 3152.4947264032. The cubic root of 9938223 is about 214.9989039064.

It can be divided in two parts, 993 and 8223, that added together give a square (9216 = 96²).

The spelling of 9938223 in words is "nine million, nine hundred thirty-eight thousand, two hundred twenty-three".