38986646 has 8 divisors (see below), whose sum is σ = 58687464. Its totient is φ = 19424160.

The previous prime is 38986639. The next prime is 38986657. The reversal of 38986646 is 64668983.

38986646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38986594 and 38986603.

It is a congruent number.

It is an unprimeable number.

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, 33875 + ... + 35006.

It is an arithmetic number, because the mean of its divisors is an integer number (7335933).

Almost surely, 2^38986646 is an apocalyptic number.

38986646 is a deficient number, since it is larger than the sum of its proper divisors (19700818).

38986646 is a wasteful number, since it uses less digits than its factorization.

38986646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69166.

The product of its digits is 1492992, while the sum is 50.

The square root of 38986646 is about 6243.9287311756. The cubic root of 38986646 is about 339.0824336968.

The spelling of 38986646 in words is "thirty-eight million, nine hundred eighty-six thousand, six hundred forty-six".