39648275 has 12 divisors (see below), whose sum is σ = 50493792. Its totient is φ = 30860640.

The previous prime is 39648253. The next prime is 39648277. The reversal of 39648275 is 57284693.

It is not a de Polignac number, because 39648275 - 2⁸ = 39648019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39648277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20507 + ... + 22356.

It is an arithmetic number, because the mean of its divisors is an integer number (4207816).

Almost surely, 2^39648275 is an apocalyptic number.

39648275 is a deficient number, since it is larger than the sum of its proper divisors (10845517).

39648275 is a wasteful number, since it uses less digits than its factorization.

39648275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42910 (or 42905 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 39648275 is about 6296.6876212815. The cubic root of 39648275 is about 340.9898346657.

The spelling of 39648275 in words is "thirty-nine million, six hundred forty-eight thousand, two hundred seventy-five".