39648274 has 16 divisors (see below), whose sum is σ = 62347968. Its totient is φ = 18873712.

The previous prime is 39648253. The next prime is 39648277. The reversal of 39648274 is 47284693.

39648274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39648274.

It is not an unprimeable number, because it can be changed into a prime (39648277) 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 7 ways as a sum of consecutive naturals, for example, 8544 + ... + 12340.

It is an arithmetic number, because the mean of its divisors is an integer number (3896748).

Almost surely, 2^39648274 is an apocalyptic number.

39648274 is a deficient number, since it is larger than the sum of its proper divisors (22699694).

39648274 is a wasteful number, since it uses less digits than its factorization.

39648274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049.

The product of its digits is 290304, while the sum is 43.

The square root of 39648274 is about 6296.6875418747. The cubic root of 39648274 is about 340.9898317989.

The spelling of 39648274 in words is "thirty-nine million, six hundred forty-eight thousand, two hundred seventy-four".