1943968 has 24 divisors (see below), whose sum is σ = 4122468. Its totient is φ = 897024.

The previous prime is 1943959. The next prime is 1943993. The reversal of 1943968 is 8693491.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 17424 = 1388^2 + 132^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1943968.

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, 1921 + ... + 2752.

2^1943968 is an apocalyptic number.

It is an amenable number.

1943968 is an abundant number, since it is smaller than the sum of its proper divisors (2178500).

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

1943968 is a wasteful number, since it uses less digits than its factorization.

1943968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 4688 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 1943968 is about 1394.2625290812. The cubic root of 1943968 is about 124.8043445781.

The spelling of 1943968 in words is "one million, nine hundred forty-three thousand, nine hundred sixty-eight".