38138232 has 96 divisors (see below), whose sum is σ = 109549440. Its totient is φ = 11035200.

The previous prime is 38138213. The next prime is 38138239. The reversal of 38138232 is 23283183.

38138232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 38138232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38138239) 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 23 ways as a sum of consecutive naturals, for example, 66507 + ... + 67077.

It is an arithmetic number, because the mean of its divisors is an integer number (1141140).

Almost surely, 2^38138232 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 38138232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54774720).

38138232 is an abundant number, since it is smaller than the sum of its proper divisors (71411208).

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

38138232 is a wasteful number, since it uses less digits than its factorization.

38138232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 610 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 38138232 is about 6175.6159206997. The cubic root of 38138232 is about 336.6047075253.

The spelling of 38138232 in words is "thirty-eight million, one hundred thirty-eight thousand, two hundred thirty-two".