38345216 has 80 divisors (see below), whose sum is σ = 94410624. Its totient is φ = 15151104.

The previous prime is 38345213. The next prime is 38345227. The reversal of 38345216 is 61254383.

It is a Harshad number since it is a multiple of its sum of digits (32).

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

It is not an unprimeable number, because it can be changed into a prime (38345213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46181 + ... + 47003.

Almost surely, 2^38345216 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 38345216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47205312).

38345216 is an abundant number, since it is smaller than the sum of its proper divisors (56065408).

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

38345216 is an equidigital number, since it uses as much as digits as its factorization.

38345216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 845 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 38345216 is about 6192.3514112169. The cubic root of 38345216 is about 337.2125501263.

Adding to 38345216 its reverse (61254383), we get a palindrome (99599599).

The spelling of 38345216 in words is "thirty-eight million, three hundred forty-five thousand, two hundred sixteen".