38645044 has 6 divisors (see below), whose sum is σ = 67628834. Its totient is φ = 19322520.

The previous prime is 38645041. The next prime is 38645051. The reversal of 38645044 is 44054683.

38645044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35856144 + 2788900 = 5988^2 + 1670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38645041) by changing a digit.

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 as a sum of consecutive naturals, namely, 4830627 + ... + 4830634.

Almost surely, 2^38645044 is an apocalyptic number.

It is an amenable number.

38645044 is a deficient number, since it is larger than the sum of its proper divisors (28983790).

38645044 is a wasteful number, since it uses less digits than its factorization.

38645044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661265 (or 9661263 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 38645044 is about 6216.5138140279. The cubic root of 38645044 is about 338.0891773612.

The spelling of 38645044 in words is "thirty-eight million, six hundred forty-five thousand, forty-four".