9930493 has 4 divisors (see below), whose sum is σ = 9938880. Its totient is φ = 9922108.

The previous prime is 9930491. The next prime is 9930497. The reversal of 9930493 is 3940399.

It is the 1287-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3940399 = 199 ⋅19801.

It is a cyclic number.

It is not a de Polignac number, because 9930493 - 2¹ = 9930491 is a prime.

It is a super-2 number, since 2×9930493² = 197229382446098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053 + ... + 4906.

It is an arithmetic number, because the mean of its divisors is an integer number (2484720).

Almost surely, 2^9930493 is an apocalyptic number.

It is an amenable number.

9930493 is a deficient number, since it is larger than the sum of its proper divisors (8387).

9930493 is a wasteful number, since it uses less digits than its factorization.

9930493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 9930493 is about 3151.2684747574. The cubic root of 9930493 is about 214.9431470371.

The spelling of 9930493 in words is "nine million, nine hundred thirty thousand, four hundred ninety-three".