39628 has 6 divisors (see below), whose sum is σ = 69356. Its totient is φ = 19812.

The previous prime is 39623. The next prime is 39631. The reversal of 39628 is 82693.

39628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁸ + 9² + 6³ + 2 + 8⁵ .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 39596 and 39605.

It is not an unprimeable number, because it can be changed into a prime (39623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4950 + ... + 4957.

2³⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

39628 is a deficient number, since it is larger than the sum of its proper divisors (29728).

39628 is a wasteful number, since it uses less digits than its factorization.

39628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911 (or 9909 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 39628 is about 199.0678276367. The cubic root of 39628 is about 34.0931700588.

It can be divided in two parts, 396 and 28, that added together give a palindrome (424).

The spelling of 39628 in words is "thirty-nine thousand, six hundred twenty-eight".