1985768 has 16 divisors (see below), whose sum is σ = 3766500. Its totient is φ = 981376.

The previous prime is 1985759. The next prime is 1985771. The reversal of 1985768 is 8675891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 20164 = 1402^2 + 142^2 .

Its product of digits (120960) is a multiple of the sum of its prime divisors (2880).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 2106.

2^1985768 is an apocalyptic number.

It is an amenable number.

1985768 is a deficient number, since it is larger than the sum of its proper divisors (1780732).

1985768 is a wasteful number, since it uses less digits than its factorization.

1985768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 2880 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 1985768 is about 1409.1728070042. The cubic root of 1985768 is about 125.6925400207.

The spelling of 1985768 in words is "one million, nine hundred eighty-five thousand, seven hundred sixty-eight".