9393946 has 4 divisors (see below), whose sum is σ = 14090922. Its totient is φ = 4696972.

The previous prime is 9393929. The next prime is 9393949. The reversal of 9393946 is 6493939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6493939 = 647 ⋅10037.

It can be written as a sum of positive squares in only one way, i.e., 8059921 + 1334025 = 2839^2 + 1155^2 .

It is a pancake number, because a pancake can be divided into 9393946 parts by 4334 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (9393949) 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 as a sum of consecutive naturals, namely, 2348485 + ... + 2348488.

Almost surely, 2^9393946 is an apocalyptic number.

9393946 is a deficient number, since it is larger than the sum of its proper divisors (4696976).

9393946 is a wasteful number, since it uses less digits than its factorization.

9393946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696975.

The product of its digits is 157464, while the sum is 43.

The square root of 9393946 is about 3064.9544857958. The cubic root of 9393946 is about 211.0001123065. Note that the first 3 decimals are identical.

The spelling of 9393946 in words is "nine million, three hundred ninety-three thousand, nine hundred forty-six".