7938648 has 40 divisors (see below), whose sum is σ = 22237380. Its totient is φ = 2646000.

The previous prime is 7938641. The next prime is 7938649. The reversal of 7938648 is 8468397.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5478 + ... + 6773.

Almost surely, 2^7938648 is an apocalyptic number.

It is an amenable number.

7938648 is an abundant number, since it is smaller than the sum of its proper divisors (14298732).

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

7938648 is a wasteful number, since it uses less digits than its factorization.

7938648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12269 (or 12256 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 7938648 is about 2817.5606470846. The cubic root of 7938648 is about 199.4874207683.

It can be divided in two parts, 7938 and 648, that multiplied together give a square (5143824 = 2268²).

The spelling of 7938648 in words is "seven million, nine hundred thirty-eight thousand, six hundred forty-eight".