6523648 has 36 divisors (see below), whose sum is σ = 13797000. Its totient is φ = 3067904.

The previous prime is 6523619. The next prime is 6523661. The reversal of 6523648 is 8463256.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (383250).

Almost surely, 2^6523648 is an apocalyptic number.

6523648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6523648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6898500).

6523648 is an abundant number, since it is smaller than the sum of its proper divisors (7273352).

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

6523648 is a wasteful number, since it uses less digits than its factorization.

6523648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1518 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 6523648 is about 2554.1433006000. The cubic root of 6523648 is about 186.8516080906.

The spelling of 6523648 in words is "six million, five hundred twenty-three thousand, six hundred forty-eight".