39478064 has 20 divisors (see below), whose sum is σ = 76742856. Its totient is φ = 19673472.

The previous prime is 39478031. The next prime is 39478069. The reversal of 39478064 is 46087493.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39478069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 8949.

Almost surely, 2^39478064 is an apocalyptic number.

It is an amenable number.

39478064 is a deficient number, since it is larger than the sum of its proper divisors (37264792).

39478064 is a wasteful number, since it uses less digits than its factorization.

39478064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8198 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 39478064 is about 6283.1571681759. The cubic root of 39478064 is about 340.5011755296.

The spelling of 39478064 in words is "thirty-nine million, four hundred seventy-eight thousand, sixty-four".