38438135 has 4 divisors (see below), whose sum is σ = 46125768. Its totient is φ = 30750504.

The previous prime is 38438119. The next prime is 38438143. The reversal of 38438135 is 53183483.

38438135 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.

It is a cyclic number.

It is not a de Polignac number, because 38438135 - 2⁴ = 38438119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38438095 and 38438104.

It is a congruent number.

It is an unprimeable number.

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, 3843809 + ... + 3843818.

It is an arithmetic number, because the mean of its divisors is an integer number (11531442).

Almost surely, 2^38438135 is an apocalyptic number.

38438135 is a deficient number, since it is larger than the sum of its proper divisors (7687633).

38438135 is an equidigital number, since it uses as much as digits as its factorization.

38438135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687632.

The product of its digits is 34560, while the sum is 35.

The square root of 38438135 is about 6199.8495949499. The cubic root of 38438135 is about 337.4847107843.

The spelling of 38438135 in words is "thirty-eight million, four hundred thirty-eight thousand, one hundred thirty-five".