9303997 has 4 divisors (see below), whose sum is σ = 9326016. Its totient is φ = 9281980.

The previous prime is 9303967. The next prime is 9304027. The reversal of 9303997 is 7993039.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7993039 = 101 ⋅79139.

It is an interprime number because it is at equal distance from previous prime (9303967) and next prime (9304027).

It is a cyclic number.

It is not a de Polignac number, because 9303997 - 2⁷ = 9303869 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 (9303907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10363 + ... + 11224.

It is an arithmetic number, because the mean of its divisors is an integer number (2331504).

Almost surely, 2^9303997 is an apocalyptic number.

It is an amenable number.

9303997 is a deficient number, since it is larger than the sum of its proper divisors (22019).

9303997 is a wasteful number, since it uses less digits than its factorization.

9303997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22018.

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 9303997 is about 3050.2453999637. The cubic root of 9303997 is about 210.3244945495.

The spelling of 9303997 in words is "nine million, three hundred three thousand, nine hundred ninety-seven".