7308397 has 4 divisors (see below), whose sum is σ = 7322076. Its totient is φ = 7294720.

The previous prime is 7308361. The next prime is 7308401. The reversal of 7308397 is 7938037.

7308397 is digitally balanced in base 3, 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 826281 + 6482116 = 909^2 + 2546^2 .

It is a cyclic number.

It is not a de Polignac number, because 7308397 - 2⁷ = 7308269 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 (7308307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6004 + ... + 7117.

It is an arithmetic number, because the mean of its divisors is an integer number (1830519).

Almost surely, 2^7308397 is an apocalyptic number.

It is an amenable number.

7308397 is a deficient number, since it is larger than the sum of its proper divisors (13679).

7308397 is a wasteful number, since it uses less digits than its factorization.

7308397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13678.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 7308397 is about 2703.4047051820. The cubic root of 7308397 is about 194.0620926406.

The spelling of 7308397 in words is "seven million, three hundred eight thousand, three hundred ninety-seven".