9378993 has 16 divisors (see below), whose sum is σ = 13556480. Its totient is φ = 5767632.

The previous prime is 9378983. The next prime is 9379001. The reversal of 9378993 is 3998739.

9378993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9378993 - 2¹⁰ = 9377969 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 (9378923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5880 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (847280).

Almost surely, 2^9378993 is an apocalyptic number.

It is an amenable number.

9378993 is a deficient number, since it is larger than the sum of its proper divisors (4177487).

9378993 is a wasteful number, since it uses less digits than its factorization.

9378993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1439 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 9378993 is about 3062.5141632326. The cubic root of 9378993 is about 210.8880983130. Note that the first 3 decimals are identical.

The spelling of 9378993 in words is "nine million, three hundred seventy-eight thousand, nine hundred ninety-three".