1980796 has 6 divisors (see below), whose sum is σ = 3466400. Its totient is φ = 990396.

The previous prime is 1980791. The next prime is 1980809. The reversal of 1980796 is 6970891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247596 + ... + 247603.

2^1980796 is an apocalyptic number.

It is an amenable number.

1980796 is a deficient number, since it is larger than the sum of its proper divisors (1485604).

1980796 is a wasteful number, since it uses less digits than its factorization.

1980796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495203 (or 495201 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1980796 is about 1407.4075458090. The cubic root of 1980796 is about 125.5875486325.

The spelling of 1980796 in words is "one million, nine hundred eighty thousand, seven hundred ninety-six".