1984086 has 48 divisors (see below), whose sum is σ = 4739280. Its totient is φ = 596160.

The previous prime is 1984079. The next prime is 1984091. The reversal of 1984086 is 6804891.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1984086.

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 23 ways as a sum of consecutive naturals, for example, 14205 + ... + 14343.

It is an arithmetic number, because the mean of its divisors is an integer number (98735).

2^1984086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1984086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369640).

1984086 is an abundant number, since it is smaller than the sum of its proper divisors (2755194).

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

1984086 is a wasteful number, since it uses less digits than its factorization.

1984086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1984086 is about 1408.5758765505. The cubic root of 1984086 is about 125.6570416523.

The spelling of 1984086 in words is "one million, nine hundred eighty-four thousand, eighty-six".