7489648 has 40 divisors (see below), whose sum is σ = 15534720. Its totient is φ = 3487680.

The previous prime is 7489633. The next prime is 7489649. The reversal of 7489648 is 8469847.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7489598 and 7489607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21411 + ... + 21757.

It is an arithmetic number, because the mean of its divisors is an integer number (388368).

Almost surely, 2^7489648 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 7489648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7767360).

7489648 is an abundant number, since it is smaller than the sum of its proper divisors (8045072).

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

7489648 is a wasteful number, since it uses less digits than its factorization.

7489648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 7489648 is about 2736.7221269248. The cubic root of 7489648 is about 195.6532812362.

The spelling of 7489648 in words is "seven million, four hundred eighty-nine thousand, six hundred forty-eight".