39479986 has 64 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 14732928.

The previous prime is 39479959. The next prime is 39479989. The reversal of 39479986 is 68997493.

39479986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (2939328) is a multiple of the sum of its prime factors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39479989) 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 31 ways as a sum of consecutive naturals, for example, 169326 + ... + 169558.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^39479986 is an apocalyptic number.

39479986 is a deficient number, since it is larger than the sum of its proper divisors (39144014).

39479986 is a wasteful number, since it uses less digits than its factorization.

39479986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 274 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 39479986 is about 6283.3101148996. The cubic root of 39479986 is about 340.5067012366.

The spelling of 39479986 in words is "thirty-nine million, four hundred seventy-nine thousand, nine hundred eighty-six".