38129806 has 16 divisors (see below), whose sum is σ = 67194288. Its totient is φ = 15998400.

The previous prime is 38129803. The next prime is 38129807. The reversal of 38129806 is 60892183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38129801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66375 + ... + 66946.

It is an arithmetic number, because the mean of its divisors is an integer number (4199643).

Almost surely, 2^38129806 is an apocalyptic number.

38129806 is a deficient number, since it is larger than the sum of its proper divisors (29064482).

38129806 is a wasteful number, since it uses less digits than its factorization.

38129806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133347.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 38129806 is about 6174.9336838544. The cubic root of 38129806 is about 336.5799166526.

The spelling of 38129806 in words is "thirty-eight million, one hundred twenty-nine thousand, eight hundred six".