1988853852 has 12 divisors (see below), whose sum is σ = 4640659016. Its totient is φ = 662951280.

The previous prime is 1988853827. The next prime is 1988853857. The reversal of 1988853852 is 2583588891.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1988853792 and 1988853801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988853857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82868899 + ... + 82868922.

Almost surely, 2^1988853852 is an apocalyptic number.

1988853852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1988853852 is an abundant number, since it is smaller than the sum of its proper divisors (2651805164).

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

1988853852 is a wasteful number, since it uses less digits than its factorization.

1988853852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165737828 (or 165737826 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 57.

The square root of 1988853852 is about 44596.5677154644. The cubic root of 1988853852 is about 1257.5761439584.

The spelling of 1988853852 in words is "one billion, nine hundred eighty-eight million, eight hundred fifty-three thousand, eight hundred fifty-two".