1982305606 has 16 divisors (see below), whose sum is σ = 3131472960. Its totient is φ = 938531880.

The previous prime is 1982305601. The next prime is 1982305631. The reversal of 1982305606 is 6065032891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982305601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74641 + ... + 97651.

It is an arithmetic number, because the mean of its divisors is an integer number (195717060).

Almost surely, 2^1982305606 is an apocalyptic number.

1982305606 is a deficient number, since it is larger than the sum of its proper divisors (1149167354).

1982305606 is a wasteful number, since it uses less digits than its factorization.

1982305606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25299.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1982305606 is about 44523.0907058349. The cubic root of 1982305606 is about 1256.1944482881.

The spelling of 1982305606 in words is "one billion, nine hundred eighty-two million, three hundred five thousand, six hundred six".