1980382 has 8 divisors (see below), whose sum is σ = 3043152. Its totient is φ = 966000.

The previous prime is 1980371. The next prime is 1980383. The reversal of 1980382 is 2830891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980383) 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, 11994 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (380394).

2^1980382 is an apocalyptic number.

1980382 is a deficient number, since it is larger than the sum of its proper divisors (1062770).

1980382 is a wasteful number, since it uses less digits than its factorization.

1980382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24194.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1980382 is about 1407.2604591901. The cubic root of 1980382 is about 125.5787984688.

The spelling of 1980382 in words is "one million, nine hundred eighty thousand, three hundred eighty-two".