943648 has 24 divisors (see below), whose sum is σ = 1910412. Its totient is φ = 458496.

The previous prime is 943637. The next prime is 943651. The reversal of 943648 is 846349.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 44944 = 948^2 + 212^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

943648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786 + ... + 1582.

2⁹⁴³⁶⁴⁸ 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 943648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955206).

943648 is an abundant number, since it is smaller than the sum of its proper divisors (966764).

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

943648 is a wasteful number, since it uses less digits than its factorization.

943648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 836 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 943648 is about 971.4154620964. The cubic root of 943648 is about 98.0851682221.

The spelling of 943648 in words is "nine hundred forty-three thousand, six hundred forty-eight".