1985084 has 12 divisors (see below), whose sum is σ = 3625104. Its totient is φ = 949344.

The previous prime is 1985077. The next prime is 1985167. The reversal of 1985084 is 4805891.

It is a congruent number.

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, 10697 + ... + 10880.

It is an arithmetic number, because the mean of its divisors is an integer number (302092).

2^1985084 is an apocalyptic number.

It is an amenable number.

1985084 is a deficient number, since it is larger than the sum of its proper divisors (1640020).

1985084 is a wasteful number, since it uses less digits than its factorization.

1985084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21604 (or 21602 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1985084 is about 1408.9300905297. The cubic root of 1985084 is about 125.6781067182.

The spelling of 1985084 in words is "one million, nine hundred eighty-five thousand, eighty-four".