308697 has 8 divisors (see below), whose sum is σ = 421344. Its totient is φ = 200928.

The previous prime is 308681. The next prime is 308701. The reversal of 308697 is 796803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 308697 - 2⁴ = 308681 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308697.

It is not an unprimeable number, because it can be changed into a prime (308597) 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 7 ways as a sum of consecutive naturals, for example, 1068 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (52668).

2³⁰⁸⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

308697 is a deficient number, since it is larger than the sum of its proper divisors (112647).

308697 is a wasteful number, since it uses less digits than its factorization.

308697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 308697 is about 555.6050755708. The cubic root of 308697 is about 67.5840379899.

It can be divided in two parts, 30869 and 7, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 308697 in words is "three hundred eight thousand, six hundred ninety-seven".