38501312 has 56 divisors (see below), whose sum is σ = 79918560. Its totient is φ = 18385920.

The previous prime is 38501303. The next prime is 38501317. The reversal of 38501312 is 21310583.

38501312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38501317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168014 + ... + 168242.

Almost surely, 2^38501312 is an apocalyptic number.

38501312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38501312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39959280).

38501312 is an abundant number, since it is smaller than the sum of its proper divisors (41417248).

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

38501312 is a wasteful number, since it uses less digits than its factorization.

38501312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 38501312 is about 6204.9425460676. The cubic root of 38501312 is about 337.6695064393.

Adding to 38501312 its reverse (21310583), we get a palindrome (59811895).

The spelling of 38501312 in words is "thirty-eight million, five hundred one thousand, three hundred twelve".