1982897706 has 16 divisors (see below), whose sum is σ = 3969866304. Its totient is φ = 660287424.

The previous prime is 1982897669. The next prime is 1982897729. The reversal of 1982897706 is 6077982891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163270 + ... + 174993.

It is an arithmetic number, because the mean of its divisors is an integer number (248116644).

Almost surely, 2^1982897706 is an apocalyptic number.

1982897706 is an abundant number, since it is smaller than the sum of its proper divisors (1986968598).

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

1982897706 is a wasteful number, since it uses less digits than its factorization.

1982897706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339245.

The product of its (nonzero) digits is 3048192, while the sum is 57.

The square root of 1982897706 is about 44529.7395680684. The cubic root of 1982897706 is about 1256.3195078295.

The spelling of 1982897706 in words is "one billion, nine hundred eighty-two million, eight hundred ninety-seven thousand, seven hundred six".