9812988 has 60 divisors (see below), whose sum is σ = 26507712. Its totient is φ = 3162240.

The previous prime is 9812969. The next prime is 9812993. The reversal of 9812988 is 8892189.

Its product of digits (82944) is a multiple of the sum of its prime factors (1024).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9556 + ... + 10532.

Almost surely, 2^9812988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9812988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13253856).

9812988 is an abundant number, since it is smaller than the sum of its proper divisors (16694724).

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

9812988 is a wasteful number, since it uses less digits than its factorization.

9812988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1013 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 9812988 is about 3132.5689138469. The cubic root of 9812988 is about 214.0919917773.

It can be divided in two parts, 981 and 2988, that added together give a square (3969 = 63²).

The spelling of 9812988 in words is "nine million, eight hundred twelve thousand, nine hundred eighty-eight".