1980683 has 8 divisors (see below), whose sum is σ = 2061696. Its totient is φ = 1900800.

The previous prime is 1980673. The next prime is 1980697. The reversal of 1980683 is 3860891.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1980683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5435 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (257712).

2^1980683 is an apocalyptic number.

1980683 is a deficient number, since it is larger than the sum of its proper divisors (81013).

1980683 is a wasteful number, since it uses less digits than its factorization.

1980683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1980683 is about 1407.3674005035. The cubic root of 1980683 is about 125.5851604237.

The spelling of 1980683 in words is "one million, nine hundred eighty thousand, six hundred eighty-three".