1768648 has 16 divisors (see below), whose sum is σ = 3790080. Its totient is φ = 757968.

The previous prime is 1768639. The next prime is 1768651. The reversal of 1768648 is 8468671.

It is a self number, because there is not a number n which added to its sum of digits gives 1768648.

It is a congruent number.

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, 15736 + ... + 15847.

It is an arithmetic number, because the mean of its divisors is an integer number (236880).

2^1768648 is an apocalyptic number.

It is an amenable number.

1768648 is an abundant number, since it is smaller than the sum of its proper divisors (2021432).

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

1768648 is a wasteful number, since it uses less digits than its factorization.

1768648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31596 (or 31592 counting only the distinct ones).

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

The square root of 1768648 is about 1329.9052597836. The cubic root of 1768648 is about 120.9336430096.

The spelling of 1768648 in words is "one million, seven hundred sixty-eight thousand, six hundred forty-eight".