1523648 has 56 divisors (see below), whose sum is σ = 3657600. Its totient is φ = 615168.

The previous prime is 1523633. The next prime is 1523651. The reversal of 1523648 is 8463251.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 1523648.

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, 8423 + ... + 8601.

2^1523648 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 1523648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828800).

1523648 is an abundant number, since it is smaller than the sum of its proper divisors (2133952).

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

1523648 is a wasteful number, since it uses less digits than its factorization.

1523648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 207 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1523648 is about 1234.3613733425. The cubic root of 1523648 is about 115.0698504442.

Adding to 1523648 its reverse (8463251), we get a palindrome (9986899).

The spelling of 1523648 in words is "one million, five hundred twenty-three thousand, six hundred forty-eight".