9981852 has 12 divisors (see below), whose sum is σ = 23291016. Its totient is φ = 3327280.

The previous prime is 9981847. The next prime is 9981863. The reversal of 9981852 is 2581899.

It is a happy number.

9981852 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415899 + ... + 415922.

It is an arithmetic number, because the mean of its divisors is an integer number (1940918).

Almost surely, 2^9981852 is an apocalyptic number.

It is an amenable number.

9981852 is an abundant number, since it is smaller than the sum of its proper divisors (13309164).

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

9981852 is a wasteful number, since it uses less digits than its factorization.

9981852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831828 (or 831826 counting only the distinct ones).

The product of its digits is 51840, while the sum is 42.

The square root of 9981852 is about 3159.4069063671. The cubic root of 9981852 is about 215.3130611474.

It can be divided in two parts, 998 and 1852, that added together give a triangular number (2850 = T₇₅).

The spelling of 9981852 in words is "nine million, nine hundred eighty-one thousand, eight hundred fifty-two".