9223638 has 16 divisors (see below), whose sum is σ = 18510336. Its totient is φ = 3064040.

The previous prime is 9223637. The next prime is 9223649. The reversal of 9223638 is 8363229.

It is a junction number, because it is equal to n+sod(n) for n = 9223599 and 9223608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223637) 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, 606 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (1156896).

Almost surely, 2^9223638 is an apocalyptic number.

9223638 is an abundant number, since it is smaller than the sum of its proper divisors (9286698).

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

9223638 is a wasteful number, since it uses less digits than its factorization.

9223638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259.

The product of its digits is 15552, while the sum is 33.

The square root of 9223638 is about 3037.0442868025. The cubic root of 9223638 is about 209.7172157479.

It can be divided in two parts, 922 and 3638, that added together give a triangular number (4560 = T₉₅).

The spelling of 9223638 in words is "nine million, two hundred twenty-three thousand, six hundred thirty-eight".