39479913 has 16 divisors (see below), whose sum is σ = 63806400. Its totient is φ = 23927040.

The previous prime is 39479911. The next prime is 39479917. The reversal of 39479913 is 31997493.

39479913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39479913 - 2¹ = 39479911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39479911) 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 15 ways as a sum of consecutive naturals, for example, 66168 + ... + 66761.

It is an arithmetic number, because the mean of its divisors is an integer number (3987900).

Almost surely, 2^39479913 is an apocalyptic number.

39479913 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39479913 is a deficient number, since it is larger than the sum of its proper divisors (24326487).

39479913 is a wasteful number, since it uses less digits than its factorization.

39479913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132949 (or 132943 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 39479913 is about 6283.3043058569. The cubic root of 39479913 is about 340.5064913665.

The spelling of 39479913 in words is "thirty-nine million, four hundred seventy-nine thousand, nine hundred thirteen".