1980307 has 8 divisors (see below), whose sum is σ = 2286432. Its totient is φ = 1680000.

The previous prime is 1980301. The next prime is 1980317. The reversal of 1980307 is 7030891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1980307 - 2¹⁹ = 1456019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980301) 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 in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (285804).

2^1980307 is an apocalyptic number.

1980307 is a deficient number, since it is larger than the sum of its proper divisors (306125).

1980307 is a wasteful number, since it uses less digits than its factorization.

1980307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1980307 is about 1407.2338114187. The cubic root of 1980307 is about 125.5772131637.

The spelling of 1980307 in words is "one million, nine hundred eighty thousand, three hundred seven".