1982466 has 24 divisors (see below), whose sum is σ = 4322604. Its totient is φ = 656640.

The previous prime is 1982447. The next prime is 1982467. The reversal of 1982466 is 6642891.

1982466 is a `hidden beast` number, since 198 + 2 + 466 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 216225 = 1329^2 + 465^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1982466.

It is not an unprimeable number, because it can be changed into a prime (1982467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4110 + ... + 4566.

2^1982466 is an apocalyptic number.

1982466 is an abundant number, since it is smaller than the sum of its proper divisors (2340138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1982466 is a wasteful number, since it uses less digits than its factorization.

1982466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 703 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1982466 is about 1408.0007102271. Note that the first 3 decimals coincide. The cubic root of 1982466 is about 125.6228328133.

The spelling of 1982466 in words is "one million, nine hundred eighty-two thousand, four hundred sixty-six".