306697797 has 24 divisors (see below), whose sum is σ = 507509184. Its totient is φ = 174835584.

The previous prime is 306697789. The next prime is 306697873. The reversal of 306697797 is 797796603.

It is not a de Polignac number, because 306697797 - 2³ = 306697789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306697397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21658 + ... + 32900.

It is an arithmetic number, because the mean of its divisors is an integer number (21146216).

Almost surely, 2^306697797 is an apocalyptic number.

It is an amenable number.

306697797 is a deficient number, since it is larger than the sum of its proper divisors (200811387).

306697797 is a wasteful number, since it uses less digits than its factorization.

306697797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11689 (or 11686 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 54.

The square root of 306697797 is about 17512.7895265146. The cubic root of 306697797 is about 674.3782455739.

The spelling of 306697797 in words is "three hundred six million, six hundred ninety-seven thousand, seven hundred ninety-seven".