9389285 has 4 divisors (see below), whose sum is σ = 11267148. Its totient is φ = 7511424.

The previous prime is 9389279. The next prime is 9389297. The reversal of 9389285 is 5829839.

9389285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6461764 + 2927521 = 2542^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 9389285 - 2⁴ = 9389269 is a prime.

It is a super-2 number, since 2×9389285² = 176317345622450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938924 + ... + 938933.

It is an arithmetic number, because the mean of its divisors is an integer number (2816787).

Almost surely, 2^9389285 is an apocalyptic number.

It is an amenable number.

9389285 is a deficient number, since it is larger than the sum of its proper divisors (1877863).

9389285 is a wasteful number, since it uses less digits than its factorization.

9389285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877862.

The product of its digits is 155520, while the sum is 44.

The square root of 9389285 is about 3064.1940212722. The cubic root of 9389285 is about 210.9652091811.

The spelling of 9389285 in words is "nine million, three hundred eighty-nine thousand, two hundred eighty-five".