39643914 has 16 divisors (see below), whose sum is σ = 80074080. Its totient is φ = 13083600.

The previous prime is 39643883. The next prime is 39643921. The reversal of 39643914 is 41934693.

39643914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 32104 + ... + 33315.

It is an arithmetic number, because the mean of its divisors is an integer number (5004630).

Almost surely, 2^39643914 is an apocalyptic number.

39643914 is an abundant number, since it is smaller than the sum of its proper divisors (40430166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39643914 is a wasteful number, since it uses less digits than its factorization.

39643914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65525.

The product of its digits is 69984, while the sum is 39.

The square root of 39643914 is about 6296.3413185754. The cubic root of 39643914 is about 340.9773321361.

The spelling of 39643914 in words is "thirty-nine million, six hundred forty-three thousand, nine hundred fourteen".