9982830 has 96 divisors (see below), whose sum is σ = 28460160. Its totient is φ = 2221440.

The previous prime is 9982829. The next prime is 9982831. The reversal of 9982830 is 382899.

9982830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9982829) and next prime (9982831).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55681 + ... + 55859.

It is an arithmetic number, because the mean of its divisors is an integer number (296460).

Almost surely, 2^9982830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9982830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14230080).

9982830 is an abundant number, since it is smaller than the sum of its proper divisors (18477330).

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

9982830 is a wasteful number, since it uses less digits than its factorization.

9982830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 9982830 is about 3159.5616784611. The cubic root of 9982830 is about 215.3200928852.

9982830 divided by its sum of digits (39) gives a triangular number (255970 = T₇₁₅).

It can be divided in two parts, 998 and 2830, that added together give a triangular number (3828 = T₈₇).

The spelling of 9982830 in words is "nine million, nine hundred eighty-two thousand, eight hundred thirty".