38038743 has 6 divisors (see below), whose sum is σ = 54944864. Its totient is φ = 25359156.

The previous prime is 38038733. The next prime is 38038751. The reversal of 38038743 is 34783083.

38038743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38038743 - 2¹⁰ = 38037719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38038698 and 38038707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38038723) 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 5 ways as a sum of consecutive naturals, for example, 2113255 + ... + 2113272.

Almost surely, 2^38038743 is an apocalyptic number.

38038743 is a deficient number, since it is larger than the sum of its proper divisors (16906121).

38038743 is a wasteful number, since it uses less digits than its factorization.

38038743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226533 (or 4226530 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 38038743 is about 6167.5556746575. Note that the first 3 decimals coincide. The cubic root of 38038743 is about 336.3117589006.

It can be divided in two parts, 38038 and 743, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 38038743 in words is "thirty-eight million, thirty-eight thousand, seven hundred forty-three".