9390393 has 6 divisors (see below), whose sum is σ = 13563914. Its totient is φ = 6260256.

The previous prime is 9390379. The next prime is 9390397. The reversal of 9390393 is 3930939.

9390393 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7884864 + 1505529 = 2808^2 + 1227^2 .

It is not a de Polignac number, because 9390393 - 2⁵ = 9390361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9390397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521680 + ... + 521697.

Almost surely, 2^9390393 is an apocalyptic number.

It is an amenable number.

9390393 is a deficient number, since it is larger than the sum of its proper divisors (4173521).

9390393 is a wasteful number, since it uses less digits than its factorization.

9390393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043383 (or 1043380 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 36.

The square root of 9390393 is about 3064.3748138894. The cubic root of 9390393 is about 210.9735073017.

The spelling of 9390393 in words is "nine million, three hundred ninety thousand, three hundred ninety-three".