308397 has 8 divisors (see below), whose sum is σ = 435456. Its totient is φ = 193472.

The previous prime is 308383. The next prime is 308411. The reversal of 308397 is 793803.

It is an interprime number because it is at equal distance from previous prime (308383) and next prime (308411).

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

It is a cyclic number.

It is not a de Polignac number, because 308397 - 2⁶ = 308333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308317) 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, 2973 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2³⁰⁸³⁹⁷ is an apocalyptic number.

It is an amenable number.

308397 is a deficient number, since it is larger than the sum of its proper divisors (127059).

308397 is a wasteful number, since it uses less digits than its factorization.

308397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 308397 is about 555.3350340110. The cubic root of 308397 is about 67.5621375687.

The spelling of 308397 in words is "three hundred eight thousand, three hundred ninety-seven".