1986200 has 24 divisors (see below), whose sum is σ = 4618380. Its totient is φ = 794400.

The previous prime is 1986199. The next prime is 1986217. The reversal of 1986200 is 26891.

It is a self number, because there is not a number n which added to its sum of digits gives 1986200.

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 5 ways as a sum of consecutive naturals, for example, 4766 + ... + 5165.

2^1986200 is an apocalyptic number.

1986200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1986200 is an abundant number, since it is smaller than the sum of its proper divisors (2632180).

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

1986200 is a wasteful number, since it uses less digits than its factorization.

1986200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947 (or 9938 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1986200 is about 1409.3260800822. The cubic root of 1986200 is about 125.7016540831.

The spelling of 1986200 in words is "one million, nine hundred eighty-six thousand, two hundred".