1982275 has 12 divisors (see below), whose sum is σ = 2525632. Its totient is φ = 1542240.

The previous prime is 1982273. The next prime is 1982287. The reversal of 1982275 is 5722891.

It is not a de Polignac number, because 1982275 - 2¹ = 1982273 is a prime.

It is a Duffinian number.

1982275 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1982275.

It is not an unprimeable number, because it can be changed into a prime (1982273) 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 11 ways as a sum of consecutive naturals, for example, 147 + ... + 1996.

2^1982275 is an apocalyptic number.

1982275 is a deficient number, since it is larger than the sum of its proper divisors (543357).

1982275 is a wasteful number, since it uses less digits than its factorization.

1982275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2185 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 1982275 is about 1407.9328819230. The cubic root of 1982275 is about 125.6187983209.

The spelling of 1982275 in words is "one million, nine hundred eighty-two thousand, two hundred seventy-five".