308097 has 8 divisors (see below), whose sum is σ = 456480. Its totient is φ = 205380.

The previous prime is 308093. The next prime is 308101. The reversal of 308097 is 790803.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (308093) and next prime (308101).

It is not a de Polignac number, because 308097 - 2² = 308093 is a prime.

It is a super-2 number, since 2×308097² = 189847522818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11411 = 308097 / (3 + 0 + 8 + 0 + 9 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 308097.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308097.

It is not an unprimeable number, because it can be changed into a prime (308093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5679 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (57060).

2³⁰⁸⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

308097 is a deficient number, since it is larger than the sum of its proper divisors (148383).

308097 is a wasteful number, since it uses less digits than its factorization.

308097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11420 (or 11414 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 308097 is about 555.0648610748. The cubic root of 308097 is about 67.5402229402.

308097 divided by its sum of digits (27) gives a palindrome (11411).

The spelling of 308097 in words is "three hundred eight thousand, ninety-seven".