9994530 has 96 divisors (see below), whose sum is σ = 30106944. Its totient is φ = 2104704.

The previous prime is 9994507. The next prime is 9994553. The reversal of 9994530 is 354999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9994507) and next prime (9994553).

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18849 + ... + 19371.

It is an arithmetic number, because the mean of its divisors is an integer number (313614).

Almost surely, 2^9994530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9994530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15053472).

9994530 is an abundant number, since it is smaller than the sum of its proper divisors (20112414).

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

9994530 is a wasteful number, since it uses less digits than its factorization.

9994530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 9994530 is about 3161.4126589232. The cubic root of 9994530 is about 215.4041793126.

The spelling of 9994530 in words is "nine million, nine hundred ninety-four thousand, five hundred thirty".