38628646 has 8 divisors (see below), whose sum is σ = 66220560. Its totient is φ = 16555128.

The previous prime is 38628643. The next prime is 38628647. The reversal of 38628646 is 64682683.

38628646 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (38628643) 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, 1379581 + ... + 1379608.

It is an arithmetic number, because the mean of its divisors is an integer number (8277570).

Almost surely, 2^38628646 is an apocalyptic number.

38628646 is a deficient number, since it is larger than the sum of its proper divisors (27591914).

38628646 is a wasteful number, since it uses less digits than its factorization.

38628646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759198.

The product of its digits is 331776, while the sum is 43.

The square root of 38628646 is about 6215.1947676642. The cubic root of 38628646 is about 338.0413508692.

The spelling of 38628646 in words is "thirty-eight million, six hundred twenty-eight thousand, six hundred forty-six".