38685044 has 6 divisors (see below), whose sum is σ = 67698834. Its totient is φ = 19342520.

The previous prime is 38685037. The next prime is 38685067. The reversal of 38685044 is 44058683.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 96100 = 6212^2 + 310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38684989 and 38685007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835627 + ... + 4835634.

It is an arithmetic number, because the mean of its divisors is an integer number (11283139).

Almost surely, 2^38685044 is an apocalyptic number.

It is an amenable number.

38685044 is a deficient number, since it is larger than the sum of its proper divisors (29013790).

38685044 is a wasteful number, since it uses less digits than its factorization.

38685044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671265 (or 9671263 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 38685044 is about 6219.7302192298. The cubic root of 38685044 is about 338.2057848436.

The spelling of 38685044 in words is "thirty-eight million, six hundred eighty-five thousand, forty-four".