39694630 has 16 divisors (see below), whose sum is σ = 71655840. Its totient is φ = 15832192.

The previous prime is 39694607. The next prime is 39694637. The reversal of 39694630 is 3649693.

39694630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39694637) 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, 1939 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (4478490).

Almost surely, 2^39694630 is an apocalyptic number.

39694630 is a deficient number, since it is larger than the sum of its proper divisors (31961210).

39694630 is a wasteful number, since it uses less digits than its factorization.

39694630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11423.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 39694630 is about 6300.3674496017. The cubic root of 39694630 is about 341.1226729600.

The spelling of 39694630 in words is "thirty-nine million, six hundred ninety-four thousand, six hundred thirty".