39628648 has 32 divisors (see below), whose sum is σ = 76334400. Its totient is φ = 19280128.

The previous prime is 39628643. The next prime is 39628669. The reversal of 39628648 is 84682693.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39628598 and 39628607.

It is not an unprimeable number, because it can be changed into a prime (39628643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52965 + ... + 53707.

It is an arithmetic number, because the mean of its divisors is an integer number (2385450).

Almost surely, 2^39628648 is an apocalyptic number.

It is an amenable number.

39628648 is a deficient number, since it is larger than the sum of its proper divisors (36705752).

39628648 is a wasteful number, since it uses less digits than its factorization.

39628648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 917 counting only the distinct ones).

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

The square root of 39628648 is about 6295.1289105149. The cubic root of 39628648 is about 340.9335588914.

The spelling of 39628648 in words is "thirty-nine million, six hundred twenty-eight thousand, six hundred forty-eight".