1913568 has 48 divisors (see below), whose sum is σ = 5193216. Its totient is φ = 616320.

The previous prime is 1913551. The next prime is 1913581. The reversal of 1913568 is 8653191.

It is a tau number, because it is divible by the number of its divisors (48).

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, 2655 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (108192).

2^1913568 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 1913568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2596608).

1913568 is an abundant number, since it is smaller than the sum of its proper divisors (3279648).

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

1913568 is a wasteful number, since it uses less digits than its factorization.

1913568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 679 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 1913568 is about 1383.3177509163. The cubic root of 1913568 is about 124.1503552486.

The spelling of 1913568 in words is "one million, nine hundred thirteen thousand, five hundred sixty-eight".