1982030 has 32 divisors (see below), whose sum is σ = 3849120. Its totient is φ = 732160.

The previous prime is 1982021. The next prime is 1982033. The reversal of 1982030 is 302891.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1981987 and 1982005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982033) 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 15 ways as a sum of consecutive naturals, for example, 15065 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (120285).

2^1982030 is an apocalyptic number.

1982030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982030 is a deficient number, since it is larger than the sum of its proper divisors (1867090).

1982030 is a wasteful number, since it uses less digits than its factorization.

1982030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1982030 is about 1407.8458722460. The cubic root of 1982030 is about 125.6136228074.

The spelling of 1982030 in words is "one million, nine hundred eighty-two thousand, thirty".