1980116 has 12 divisors (see below), whose sum is σ = 3616032. Its totient is φ = 946968.

The previous prime is 1980113. The next prime is 1980169. The reversal of 1980116 is 6110891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10670 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (301336).

2^1980116 is an apocalyptic number.

It is an amenable number.

1980116 is a deficient number, since it is larger than the sum of its proper divisors (1635916).

1980116 is a wasteful number, since it uses less digits than its factorization.

1980116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550 (or 21548 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1980116 is about 1407.1659461485. The cubic root of 1980116 is about 125.5731757394.

The spelling of 1980116 in words is "one million, nine hundred eighty thousand, one hundred sixteen".