1968928 has 24 divisors (see below), whose sum is σ = 4175388. Its totient is φ = 908544.

The previous prime is 1968919. The next prime is 1968977. The reversal of 1968928 is 8298691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 258064 = 1308^2 + 508^2 .

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, 1951 + ... + 2782.

2^1968928 is an apocalyptic number.

It is an amenable number.

1968928 is an abundant number, since it is smaller than the sum of its proper divisors (2206460).

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

1968928 is a wasteful number, since it uses less digits than its factorization.

1968928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756 (or 4748 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 1968928 is about 1403.1849486080. The cubic root of 1968928 is about 125.3362254752.

The spelling of 1968928 in words is "one million, nine hundred sixty-eight thousand, nine hundred twenty-eight".