1982277 has 12 divisors (see below), whose sum is σ = 3123744. Its totient is φ = 1201320.

The previous prime is 1982273. The next prime is 1982287. The reversal of 1982277 is 7722891.

It is not a de Polignac number, because 1982277 - 2² = 1982273 is a prime.

1982277 is a lucky number.

It is a congruent number.

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, 9913 + ... + 10110.

It is an arithmetic number, because the mean of its divisors is an integer number (260312).

2^1982277 is an apocalyptic number.

It is an amenable number.

1982277 is a deficient number, since it is larger than the sum of its proper divisors (1141467).

1982277 is a wasteful number, since it uses less digits than its factorization.

1982277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20040 (or 20037 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 1982277 is about 1407.9335921839. The cubic root of 1982277 is about 125.6188405683.

The spelling of 1982277 in words is "one million, nine hundred eighty-two thousand, two hundred seventy-seven".