38942438 has 16 divisors (see below), whose sum is σ = 62233920. Its totient is φ = 18222696.

The previous prime is 38942413. The next prime is 38942441. The reversal of 38942438 is 83424983.

It is a happy number.

38942438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38942395 and 38942404.

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 7 ways as a sum of consecutive naturals, for example, 3020 + ... + 9327.

It is an arithmetic number, because the mean of its divisors is an integer number (3889620).

Almost surely, 2^38942438 is an apocalyptic number.

38942438 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38942438 is a deficient number, since it is larger than the sum of its proper divisors (23291482).

38942438 is a wasteful number, since it uses less digits than its factorization.

38942438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451.

The product of its digits is 165888, while the sum is 41.

The square root of 38942438 is about 6240.3876482155. The cubic root of 38942438 is about 338.9542203447.

The spelling of 38942438 in words is "thirty-eight million, nine hundred forty-two thousand, four hundred thirty-eight".