1986833852 has 6 divisors (see below), whose sum is σ = 3476959248. Its totient is φ = 993416924.

The previous prime is 1986833851. The next prime is 1986833873. The reversal of 1986833852 is 2583386891.

It is a junction number, because it is equal to n+sod(n) for n = 1986833794 and 1986833803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986833851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248354228 + ... + 248354235.

It is an arithmetic number, because the mean of its divisors is an integer number (579493208).

Almost surely, 2^1986833852 is an apocalyptic number.

It is an amenable number.

1986833852 is a deficient number, since it is larger than the sum of its proper divisors (1490125396).

1986833852 is a wasteful number, since it uses less digits than its factorization.

1986833852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496708467 (or 496708465 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 1986833852 is about 44573.9144792108. The cubic root of 1986833852 is about 1257.1502429933.

The spelling of 1986833852 in words is "one billion, nine hundred eighty-six million, eight hundred thirty-three thousand, eight hundred fifty-two".