9399389 has 8 divisors (see below), whose sum is σ = 9652608. Its totient is φ = 9148480.

The previous prime is 9399347. The next prime is 9399409. The reversal of 9399389 is 9839939.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9399389 - 2⁸ = 9399133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9399989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10229 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (1206576).

Almost surely, 2^9399389 is an apocalyptic number.

It is an amenable number.

9399389 is a deficient number, since it is larger than the sum of its proper divisors (253219).

9399389 is a wasteful number, since it uses less digits than its factorization.

9399389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its digits is 472392, while the sum is 50.

The square root of 9399389 is about 3065.8422986188. The cubic root of 9399389 is about 211.0408566990.

The spelling of 9399389 in words is "nine million, three hundred ninety-nine thousand, three hundred eighty-nine".