1986068 has 18 divisors (see below), whose sum is σ = 4043466. Its totient is φ = 851088.

The previous prime is 1986067. The next prime is 1986071. The reversal of 1986068 is 8606891.

It can be written as a sum of positive squares in only one way, i.e., 1882384 + 103684 = 1372^2 + 322^2 .

It is a super-2 number, since 2×1986068² = 7888932201248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4871 + ... + 5262.

It is an arithmetic number, because the mean of its divisors is an integer number (224637).

2^1986068 is an apocalyptic number.

It is an amenable number.

1986068 is an abundant number, since it is smaller than the sum of its proper divisors (2057398).

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

1986068 is a wasteful number, since it uses less digits than its factorization.

1986068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151 (or 10142 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1986068 is about 1409.2792484103. The cubic root of 1986068 is about 125.6988693709.

The spelling of 1986068 in words is "one million, nine hundred eighty-six thousand, sixty-eight".