7939488 has 48 divisors (see below), whose sum is σ = 20998656. Its totient is φ = 2626560.

The previous prime is 7939447. The next prime is 7939499. The reversal of 7939488 is 8849397.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18120 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (437472).

Almost surely, 2^7939488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7939488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10499328).

7939488 is an abundant number, since it is smaller than the sum of its proper divisors (13059168).

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

7939488 is a wasteful number, since it uses less digits than its factorization.

7939488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 629 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 7939488 is about 2817.7097082560. The cubic root of 7939488 is about 199.4944565391.

Subtracting 7939488 from its reverse (8849397), we obtain a palindrome (909909).

The spelling of 7939488 in words is "seven million, nine hundred thirty-nine thousand, four hundred eighty-eight".