38929845 has 8 divisors (see below), whose sum is σ = 62287776. Its totient is φ = 20762576.

The previous prime is 38929843. The next prime is 38929867. The reversal of 38929845 is 54892983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38929845 - 2¹ = 38929843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38929794 and 38929803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38929843) 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, 1297647 + ... + 1297676.

It is an arithmetic number, because the mean of its divisors is an integer number (7785972).

Almost surely, 2^38929845 is an apocalyptic number.

It is an amenable number.

38929845 is a deficient number, since it is larger than the sum of its proper divisors (23357931).

38929845 is a wasteful number, since it uses less digits than its factorization.

38929845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595331.

The product of its digits is 622080, while the sum is 48.

The square root of 38929845 is about 6239.3785748262. The cubic root of 38929845 is about 338.9176799969.

The spelling of 38929845 in words is "thirty-eight million, nine hundred twenty-nine thousand, eight hundred forty-five".