9981030 has 32 divisors (see below), whose sum is σ = 24364800. Its totient is φ = 2616032.

The previous prime is 9981001. The next prime is 9981043. The reversal of 9981030 is 301899.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1050 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (761400).

Almost surely, 2^9981030 is an apocalyptic number.

9981030 is an abundant number, since it is smaller than the sum of its proper divisors (14383770).

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

9981030 is a wasteful number, since it uses less digits than its factorization.

9981030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 9981030 is about 3159.2768159818. The cubic root of 9981030 is about 215.3071506813.

The spelling of 9981030 in words is "nine million, nine hundred eighty-one thousand, thirty".