9021393 has 6 divisors (see below), whose sum is σ = 13030914. Its totient is φ = 6014256.

The previous prime is 9021379. The next prime is 9021401. The reversal of 9021393 is 3931209.

9021393 is digitally balanced in base 2, because in such base 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., 8485569 + 535824 = 2913^2 + 732^2 .

It is not a de Polignac number, because 9021393 - 2⁵ = 9021361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9021323) 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, 501180 + ... + 501197.

It is an arithmetic number, because the mean of its divisors is an integer number (2171819).

Almost surely, 2^9021393 is an apocalyptic number.

It is an amenable number.

9021393 is a deficient number, since it is larger than the sum of its proper divisors (4009521).

9021393 is a wasteful number, since it uses less digits than its factorization.

9021393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002383 (or 1002380 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 9021393 is about 3003.5633837161. The cubic root of 9021393 is about 208.1730638663.

The spelling of 9021393 in words is "nine million, twenty-one thousand, three hundred ninety-three".