38243216 has 40 divisors (see below), whose sum is σ = 81316224. Its totient is φ = 17279360.

The previous prime is 38243213. The next prime is 38243221. The reversal of 38243216 is 61234283.

It is not an unprimeable number, because it can be changed into a prime (38243213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34121 + ... + 35223.

Almost surely, 2^38243216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38243216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40658112).

38243216 is an abundant number, since it is smaller than the sum of its proper divisors (43073008).

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

38243216 is a wasteful number, since it uses less digits than its factorization.

38243216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1313 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 38243216 is about 6184.1099602125. The cubic root of 38243216 is about 336.9132844302.

Adding to 38243216 its reverse (61234283), we get a palindrome (99477499).

The spelling of 38243216 in words is "thirty-eight million, two hundred forty-three thousand, two hundred sixteen".