1986053882 has 4 divisors (see below), whose sum is σ = 2979080826. Its totient is φ = 993026940.

The previous prime is 1986053873. The next prime is 1986053941. The reversal of 1986053882 is 2883506891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1325615281 + 660438601 = 36409^2 + 25699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1986053882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496513469 + ... + 496513472.

Almost surely, 2^1986053882 is an apocalyptic number.

1986053882 is a deficient number, since it is larger than the sum of its proper divisors (993026944).

1986053882 is an equidigital number, since it uses as much as digits as its factorization.

1986053882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993026943.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 1986053882 is about 44565.1644448890. The cubic root of 1986053882 is about 1256.9857152596.

The spelling of 1986053882 in words is "one billion, nine hundred eighty-six million, fifty-three thousand, eight hundred eighty-two".