38115216 has 60 divisors (see below), whose sum is σ = 112291920. Its totient is φ = 12035520.

The previous prime is 38115211. The next prime is 38115247. The reversal of 38115216 is 61251183.

It is a self number, because there is not a number n which added to its sum of digits gives 38115216.

It is not an unprimeable number, because it can be changed into a prime (38115211) 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 11 ways as a sum of consecutive naturals, for example, 4230 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (1871532).

Almost surely, 2^38115216 is an apocalyptic number.

38115216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38115216 is an abundant number, since it is smaller than the sum of its proper divisors (74176704).

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

38115216 is a wasteful number, since it uses less digits than its factorization.

38115216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13964 (or 13955 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 38115216 is about 6173.7521816153. The cubic root of 38115216 is about 336.5369814970.

Adding to 38115216 its reverse (61251183), we get a palindrome (99366399).

The spelling of 38115216 in words is "thirty-eight million, one hundred fifteen thousand, two hundred sixteen".