9403397 has 4 divisors (see below), whose sum is σ = 9956556. Its totient is φ = 8850240.

The previous prime is 9403393. The next prime is 9403409. The reversal of 9403397 is 7933049.

9403397 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 2819041 + 6584356 = 1679^2 + 2566^2 .

It is a cyclic number.

It is not a de Polignac number, because 9403397 - 2² = 9403393 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 (9403393) 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, 276554 + ... + 276587.

It is an arithmetic number, because the mean of its divisors is an integer number (2489139).

Almost surely, 2^9403397 is an apocalyptic number.

It is an amenable number.

9403397 is a deficient number, since it is larger than the sum of its proper divisors (553159).

9403397 is a wasteful number, since it uses less digits than its factorization.

9403397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553158.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 9403397 is about 3066.4958829257. The cubic root of 9403397 is about 211.0708491292.

The spelling of 9403397 in words is "nine million, four hundred three thousand, three hundred ninety-seven".