38432113 has 4 divisors (see below), whose sum is σ = 38445300. Its totient is φ = 38418928.

The previous prime is 38432111. The next prime is 38432131. The reversal of 38432113 is 31123483.

38432113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21687649 + 16744464 = 4657^2 + 4092^2 .

It is a cyclic number.

It is not a de Polignac number, because 38432113 - 2¹ = 38432111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38432111) 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 3 ways as a sum of consecutive naturals, for example, 70 + ... + 8767.

It is an arithmetic number, because the mean of its divisors is an integer number (9611325).

Almost surely, 2^38432113 is an apocalyptic number.

It is an amenable number.

38432113 is a deficient number, since it is larger than the sum of its proper divisors (13187).

38432113 is an equidigital number, since it uses as much as digits as its factorization.

38432113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13186.

The product of its digits is 1728, while the sum is 25.

The square root of 38432113 is about 6199.3639189839. The cubic root of 38432113 is about 337.4670855876.

Adding to 38432113 its reverse (31123483), we get a palindrome (69555596).

The spelling of 38432113 in words is "thirty-eight million, four hundred thirty-two thousand, one hundred thirteen".