1986200832 has 144 divisors (see below), whose sum is σ = 6590771712. Its totient is φ = 515880960.

The previous prime is 1986200813. The next prime is 1986200833. The reversal of 1986200832 is 2380026891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986200833) 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 in 15 ways as a sum of consecutive naturals, for example, 42343 + ... + 75929.

It is an arithmetic number, because the mean of its divisors is an integer number (45769248).

Almost surely, 2^1986200832 is an apocalyptic number.

1986200832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1986200832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3295385856).

1986200832 is an abundant number, since it is smaller than the sum of its proper divisors (4604570880).

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

1986200832 is a wasteful number, since it uses less digits than its factorization.

1986200832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33624 (or 33610 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1986200832 is about 44566.8131236686. The cubic root of 1986200832 is about 1257.0167163479.

The spelling of 1986200832 in words is "one billion, nine hundred eighty-six million, two hundred thousand, eight hundred thirty-two".