9129393 has 48 divisors (see below), whose sum is σ = 16563456. Its totient is φ = 4717440.

The previous prime is 9129377. The next prime is 9129401. The reversal of 9129393 is 3939219.

9129393 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 is not a de Polignac number, because 9129393 - 2⁴ = 9129377 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9129193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58071 + ... + 58227.

It is an arithmetic number, because the mean of its divisors is an integer number (345072).

Almost surely, 2^9129393 is an apocalyptic number.

It is an amenable number.

9129393 is a deficient number, since it is larger than the sum of its proper divisors (7434063).

9129393 is a wasteful number, since it uses less digits than its factorization.

9129393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 251 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 9129393 is about 3021.4885404383. The cubic root of 9129393 is about 209.0004883882. Note that the first 3 decimals are identical.

The spelling of 9129393 in words is "nine million, one hundred twenty-nine thousand, three hundred ninety-three".