38834138 has 32 divisors (see below), whose sum is σ = 71155200. Its totient is φ = 15524784.

The previous prime is 38834113. The next prime is 38834167. The reversal of 38834138 is 83143883.

It is a happy number.

38834138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 15 ways as a sum of consecutive naturals, for example, 16733 + ... + 18911.

It is an arithmetic number, because the mean of its divisors is an integer number (2223600).

Almost surely, 2^38834138 is an apocalyptic number.

38834138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38834138 is a deficient number, since it is larger than the sum of its proper divisors (32321062).

38834138 is a wasteful number, since it uses less digits than its factorization.

38834138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274.

The product of its digits is 55296, while the sum is 38.

The square root of 38834138 is about 6231.7042612756. The cubic root of 38834138 is about 338.6397149193.

The spelling of 38834138 in words is "thirty-eight million, eight hundred thirty-four thousand, one hundred thirty-eight".