39279648 has 24 divisors (see below), whose sum is σ = 103109328. Its totient is φ = 13093184.

The previous prime is 39279641. The next prime is 39279677. The reversal of 39279648 is 84697293.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 39279597 and 39279606.

It is not an unprimeable number, because it can be changed into a prime (39279641) 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, 204486 + ... + 204677.

It is an arithmetic number, because the mean of its divisors is an integer number (4296222).

Almost surely, 2^39279648 is an apocalyptic number.

It is an amenable number.

39279648 is an abundant number, since it is smaller than the sum of its proper divisors (63829680).

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

39279648 is a wasteful number, since it uses less digits than its factorization.

39279648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409176 (or 409168 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 39279648 is about 6267.3477644056. The cubic root of 39279648 is about 339.9297663464.

The spelling of 39279648 in words is "thirty-nine million, two hundred seventy-nine thousand, six hundred forty-eight".