9439397 has 4 divisors (see below), whose sum is σ = 10297536. Its totient is φ = 8581260.

The previous prime is 9439393. The next prime is 9439421. The reversal of 9439397 is 7939349.

It is a happy number.

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 9439397 - 2² = 9439393 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 (9439393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429053 + ... + 429074.

It is an arithmetic number, because the mean of its divisors is an integer number (2574384).

Almost surely, 2^9439397 is an apocalyptic number.

It is an amenable number.

9439397 is a deficient number, since it is larger than the sum of its proper divisors (858139).

9439397 is a wasteful number, since it uses less digits than its factorization.

9439397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858138.

The product of its digits is 183708, while the sum is 44.

The square root of 9439397 is about 3072.3601676887. The cubic root of 9439397 is about 211.3398609330.

The spelling of 9439397 in words is "nine million, four hundred thirty-nine thousand, three hundred ninety-seven".