1982608 has 40 divisors (see below), whose sum is σ = 4198392. Its totient is φ = 903168.

The previous prime is 1982599. The next prime is 1982609. The reversal of 1982608 is 8062891.

It can be written as a sum of positive squares in 4 ways, for example, as 1557504 + 425104 = 1248^2 + 652^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1982609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9966 + ... + 10162.

2^1982608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2099196).

1982608 is an abundant number, since it is smaller than the sum of its proper divisors (2215784).

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

1982608 is a wasteful number, since it uses less digits than its factorization.

1982608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1982608 is about 1408.0511354351. The cubic root of 1982608 is about 125.6258321109.

The spelling of 1982608 in words is "one million, nine hundred eighty-two thousand, six hundred eight".