38129378 has 16 divisors (see below), whose sum is σ = 65444544. Its totient is φ = 16321200.

The previous prime is 38129369. The next prime is 38129383. The reversal of 38129378 is 87392183.

38129378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 19376 + ... + 21252.

It is an arithmetic number, because the mean of its divisors is an integer number (4090284).

Almost surely, 2^38129378 is an apocalyptic number.

38129378 is a deficient number, since it is larger than the sum of its proper divisors (27315166).

38129378 is a wasteful number, since it uses less digits than its factorization.

38129378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337.

The product of its digits is 72576, while the sum is 41.

The square root of 38129378 is about 6174.8990275145. The cubic root of 38129378 is about 336.5786572988.

The spelling of 38129378 in words is "thirty-eight million, one hundred twenty-nine thousand, three hundred seventy-eight".