38820112 has 60 divisors (see below), whose sum is σ = 82986876. Its totient is φ = 17520640.

The previous prime is 38820101. The next prime is 38820121. The reversal of 38820112 is 21102883.

It can be written as a sum of positive squares in 2 ways, for example, as 14258176 + 24561936 = 3776^2 + 4956^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657939 + ... + 657997.

Almost surely, 2^38820112 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 38820112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41493438).

38820112 is an abundant number, since it is smaller than the sum of its proper divisors (44166764).

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

38820112 is a wasteful number, since it uses less digits than its factorization.

38820112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 38820112 is about 6230.5787853136. The cubic root of 38820112 is about 338.5989403772.

Adding to 38820112 its reverse (21102883), we get a palindrome (59922995).

The spelling of 38820112 in words is "thirty-eight million, eight hundred twenty thousand, one hundred twelve".