38628946 has 16 divisors (see below), whose sum is σ = 59241600. Its totient is φ = 18886608.

The previous prime is 38628901. The next prime is 38628949. The reversal of 38628946 is 64982683.

It is a happy number.

38628946 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 = 38628896 and 38628905.

It is not an unprimeable number, because it can be changed into a prime (38628949) 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, 16101 + ... + 18343.

It is an arithmetic number, because the mean of its divisors is an integer number (3702600).

Almost surely, 2^38628946 is an apocalyptic number.

38628946 is a deficient number, since it is larger than the sum of its proper divisors (20612654).

38628946 is a wasteful number, since it uses less digits than its factorization.

38628946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its digits is 497664, while the sum is 46.

The square root of 38628946 is about 6215.2189020179. The cubic root of 38628946 is about 338.0422259723.

The spelling of 38628946 in words is "thirty-eight million, six hundred twenty-eight thousand, nine hundred forty-six".