1916882 has 18 divisors (see below), whose sum is σ = 3196389. Its totient is φ = 861520.

The previous prime is 1916881. The next prime is 1916909. The reversal of 1916882 is 2886191.

It can be written as a sum of positive squares in 2 ways, for example, as 1713481 + 203401 = 1309^2 + 451^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=979.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1916881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21494 + ... + 21582.

2^1916882 is an apocalyptic number.

1916882 is a deficient number, since it is larger than the sum of its proper divisors (1279507).

1916882 is an equidigital number, since it uses as much as digits as its factorization.

1916882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 102 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 1916882 is about 1384.5150775633. The cubic root of 1916882 is about 124.2219835702.

The spelling of 1916882 in words is "one million, nine hundred sixteen thousand, eight hundred eighty-two".