9946993 has 4 divisors (see below), whose sum is σ = 11368000. Its totient is φ = 8525988.

The previous prime is 9946991. The next prime is 9946999. The reversal of 9946993 is 3996499.

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: 3996499 = 13 ⋅307423.

It is a cyclic number.

It is not a de Polignac number, because 9946993 - 2¹ = 9946991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9946991) 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, 710493 + ... + 710506.

It is an arithmetic number, because the mean of its divisors is an integer number (2842000).

Almost surely, 2^9946993 is an apocalyptic number.

It is an amenable number.

9946993 is a deficient number, since it is larger than the sum of its proper divisors (1421007).

9946993 is a wasteful number, since it uses less digits than its factorization.

9946993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421006.

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

The square root of 9946993 is about 3153.8853815572. The cubic root of 9946993 is about 215.0621273494.

The spelling of 9946993 in words is "nine million, nine hundred forty-six thousand, nine hundred ninety-three".