1980339 has 8 divisors (see below), whose sum is σ = 2670480. Its totient is φ = 1305216.

The previous prime is 1980337. The next prime is 1980343. The reversal of 1980339 is 9330891.

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

It is not a de Polignac number, because 1980339 - 2¹ = 1980337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1980337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3442 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (333810).

2^1980339 is an apocalyptic number.

1980339 is a deficient number, since it is larger than the sum of its proper divisors (690141).

1980339 is an equidigital number, since it uses as much as digits as its factorization.

1980339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1980339 is about 1407.2451811962. The cubic root of 1980339 is about 125.5778895654.

The spelling of 1980339 in words is "one million, nine hundred eighty thousand, three hundred thirty-nine".