1986116 has 12 divisors (see below), whose sum is σ = 3791760. Its totient is φ = 902760.

The previous prime is 1986109. The next prime is 1986121. The reversal of 1986116 is 6116891.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22526 + ... + 22613.

It is an arithmetic number, because the mean of its divisors is an integer number (315980).

2^1986116 is an apocalyptic number.

It is an amenable number.

1986116 is a deficient number, since it is larger than the sum of its proper divisors (1805644).

1986116 is a wasteful number, since it uses less digits than its factorization.

1986116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45154 (or 45152 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The square root of 1986116 is about 1409.2962782893. The cubic root of 1986116 is about 125.6998820078.

The spelling of 1986116 in words is "one million, nine hundred eighty-six thousand, one hundred sixteen".