38646004 has 12 divisors (see below), whose sum is σ = 67703328. Its totient is φ = 19302200.

The previous prime is 38645989. The next prime is 38646007. The reversal of 38646004 is 40064683.

38646004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38646007) 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 in 3 ways as a sum of consecutive naturals, for example, 562 + ... + 8809.

It is an arithmetic number, because the mean of its divisors is an integer number (5641944).

Almost surely, 2^38646004 is an apocalyptic number.

It is an amenable number.

38646004 is a deficient number, since it is larger than the sum of its proper divisors (29057324).

38646004 is a wasteful number, since it uses less digits than its factorization.

38646004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406 (or 10404 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 38646004 is about 6216.5910272431. The cubic root of 38646004 is about 338.0919768829.

The spelling of 38646004 in words is "thirty-eight million, six hundred forty-six thousand, four".