39628630 has 16 divisors (see below), whose sum is σ = 72678384. Its totient is φ = 15552160.

The previous prime is 39628613. The next prime is 39628637. The reversal of 39628630 is 3682693.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39628630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39628637) 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, 36856 + ... + 37915.

It is an arithmetic number, because the mean of its divisors is an integer number (4542399).

Almost surely, 2^39628630 is an apocalyptic number.

39628630 is a deficient number, since it is larger than the sum of its proper divisors (33049754).

39628630 is a wasteful number, since it uses less digits than its factorization.

39628630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74831.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 39628630 is about 6295.1274808379. The cubic root of 39628630 is about 340.9335072721.

The spelling of 39628630 in words is "thirty-nine million, six hundred twenty-eight thousand, six hundred thirty".