9445389 has 4 divisors (see below), whose sum is σ = 12593856. Its totient is φ = 6296924.

The previous prime is 9445379. The next prime is 9445391. The reversal of 9445389 is 9835449.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9445389 - 2⁵ = 9445357 is a prime.

It is a super-2 number, since 2×9445389² = 178430746722642, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9445389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9445339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574229 + ... + 1574234.

It is an arithmetic number, because the mean of its divisors is an integer number (3148464).

Almost surely, 2^9445389 is an apocalyptic number.

It is an amenable number.

9445389 is a deficient number, since it is larger than the sum of its proper divisors (3148467).

9445389 is a wasteful number, since it uses less digits than its factorization.

9445389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148466.

The product of its digits is 155520, while the sum is 42.

The square root of 9445389 is about 3073.3351590739. The cubic root of 9445389 is about 211.3845700243.

The spelling of 9445389 in words is "nine million, four hundred forty-five thousand, three hundred eighty-nine".