1648768 has 32 divisors (see below), whose sum is σ = 3586320. Its totient is φ = 748800.

The previous prime is 1648753. The next prime is 1648771. The reversal of 1648768 is 8678461.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1648768.

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, 823 + ... + 1993.

2^1648768 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 1648768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793160).

1648768 is an abundant number, since it is smaller than the sum of its proper divisors (1937552).

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

1648768 is a wasteful number, since it uses less digits than its factorization.

1648768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1184 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 1648768 is about 1284.0436129665. The cubic root of 1648768 is about 118.1371573762.

It can be divided in two parts, 16 and 48768, that added together give a palindrome (48784).

The spelling of 1648768 in words is "one million, six hundred forty-eight thousand, seven hundred sixty-eight".