39630345 has 16 divisors (see below), whose sum is σ = 63504960. Its totient is φ = 21104064.

The previous prime is 39630319. The next prime is 39630347. The reversal of 39630345 is 54303693.

It is not a de Polignac number, because 39630345 - 2⁸ = 39630089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39630347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10842 + ... + 14028.

It is an arithmetic number, because the mean of its divisors is an integer number (3969060).

Almost surely, 2^39630345 is an apocalyptic number.

It is an amenable number.

39630345 is a deficient number, since it is larger than the sum of its proper divisors (23874615).

39630345 is a wasteful number, since it uses less digits than its factorization.

39630345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 39630345 is about 6295.2636958272. The cubic root of 39630345 is about 340.9384253707.

The spelling of 39630345 in words is "thirty-nine million, six hundred thirty thousand, three hundred forty-five".