1986316 has 6 divisors (see below), whose sum is σ = 3476060. Its totient is φ = 993156.

The previous prime is 1986311. The next prime is 1986323. The reversal of 1986316 is 6136891.

It is not an unprimeable number, because it can be changed into a prime (1986311) by changing a digit.

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 as a sum of consecutive naturals, namely, 248286 + ... + 248293.

2^1986316 is an apocalyptic number.

It is an amenable number.

1986316 is a deficient number, since it is larger than the sum of its proper divisors (1489744).

1986316 is a wasteful number, since it uses less digits than its factorization.

1986316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496583 (or 496581 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 1986316 is about 1409.3672339032. The cubic root of 1986316 is about 125.7041011525.

The spelling of 1986316 in words is "one million, nine hundred eighty-six thousand, three hundred sixteen".