306797 has 4 divisors (see below), whose sum is σ = 320160. Its totient is φ = 293436.

The previous prime is 306781. The next prime is 306809. The reversal of 306797 is 797603.

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: 797603 = 509 ⋅1567.

It is a cyclic number.

It is not a de Polignac number, because 306797 - 2⁴ = 306781 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306797.

It is not an unprimeable number, because it can be changed into a prime (306707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6647 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (80040).

2³⁰⁶⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

306797 is a deficient number, since it is larger than the sum of its proper divisors (13363).

306797 is a wasteful number, since it uses less digits than its factorization.

306797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 306797 is about 553.8925888654. The cubic root of 306797 is about 67.4450948121.

The spelling of 306797 in words is "three hundred six thousand, seven hundred ninety-seven".