9640093 has 4 divisors (see below), whose sum is σ = 9972540. Its totient is φ = 9307648.

The previous prime is 9640061. The next prime is 9640109. The reversal of 9640093 is 3900469.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5466244 + 4173849 = 2338^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 9640093 - 2⁵ = 9640061 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

9640093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166180 + ... + 166237.

It is an arithmetic number, because the mean of its divisors is an integer number (2493135).

Almost surely, 2^9640093 is an apocalyptic number.

It is an amenable number.

9640093 is a deficient number, since it is larger than the sum of its proper divisors (332447).

9640093 is a wasteful number, since it uses less digits than its factorization.

9640093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332446.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 9640093 is about 3104.8499158574. The cubic root of 9640093 is about 212.8271721408.

The spelling of 9640093 in words is "nine million, six hundred forty thousand, ninety-three".