9649993 has 4 divisors (see below), whose sum is σ = 9855360. Its totient is φ = 9444628.

The previous prime is 9649987. The next prime is 9650023. The reversal of 9649993 is 3999469.

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 an emirpimes, since its reverse is a distinct semiprime: 3999469 = 709 ⋅5641.

It is a cyclic number.

It is not a de Polignac number, because 9649993 - 2⁹ = 9649481 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9649973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102613 + ... + 102706.

It is an arithmetic number, because the mean of its divisors is an integer number (2463840).

Almost surely, 2^9649993 is an apocalyptic number.

It is an amenable number.

9649993 is a deficient number, since it is larger than the sum of its proper divisors (205367).

9649993 is a wasteful number, since it uses less digits than its factorization.

9649993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205366.

The product of its digits is 472392, while the sum is 49.

The square root of 9649993 is about 3106.4437867117. The cubic root of 9649993 is about 212.9000022871.

The spelling of 9649993 in words is "nine million, six hundred forty-nine thousand, nine hundred ninety-three".