38646542 has 16 divisors (see below), whose sum is σ = 66960432. Its totient is φ = 16533120.

The previous prime is 38646533. The next prime is 38646547. The reversal of 38646542 is 24564683.

38646542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38646496 and 38646505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38646547) 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 7 ways as a sum of consecutive naturals, for example, 51293 + ... + 52040.

It is an arithmetic number, because the mean of its divisors is an integer number (4185027).

Almost surely, 2^38646542 is an apocalyptic number.

38646542 is a deficient number, since it is larger than the sum of its proper divisors (28313890).

38646542 is a wasteful number, since it uses less digits than its factorization.

38646542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103363.

The product of its digits is 138240, while the sum is 38.

The square root of 38646542 is about 6216.6342983965. The cubic root of 38646542 is about 338.0935457613.

The spelling of 38646542 in words is "thirty-eight million, six hundred forty-six thousand, five hundred forty-two".