38330138 has 48 divisors (see below), whose sum is σ = 76531392. Its totient is φ = 14055360.

The previous prime is 38330129. The next prime is 38330153. The reversal of 38330138 is 83103383.

38330138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38330138.

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 23 ways as a sum of consecutive naturals, for example, 2254706 + ... + 2254722.

It is an arithmetic number, because the mean of its divisors is an integer number (1594404).

Almost surely, 2^38330138 is an apocalyptic number.

38330138 is a deficient number, since it is larger than the sum of its proper divisors (38201254).

38330138 is an frugal number, since it uses more digits than its factorization.

38330138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 38330138 is about 6191.1338218456. The cubic root of 38330138 is about 337.1683450690.

The spelling of 38330138 in words is "thirty-eight million, three hundred thirty thousand, one hundred thirty-eight".