80397 has 6 divisors (see below), whose sum is σ = 116142. Its totient is φ = 53592.

The previous prime is 80387. The next prime is 80407. The reversal of 80397 is 79308.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80387) and next prime (80407).

It can be written as a sum of positive squares in only one way, i.e., 60516 + 19881 = 246^2 + 141^2 .

It is not a de Polignac number, because 80397 - 2⁸ = 80141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4458 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (19357).

2⁸⁰³⁹⁷ is an apocalyptic number.

It is an amenable number.

80397 is a deficient number, since it is larger than the sum of its proper divisors (35745).

80397 is a wasteful number, since it uses less digits than its factorization.

80397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939 (or 8936 counting only the distinct ones).

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

The square root of 80397 is about 283.5436474337. The cubic root of 80397 is about 43.1598521034.

Subtracting from 80397 its reverse (79308), we obtain a square (1089 = 33²).

It can be divided in two parts, 803 and 97, that added together give a square (900 = 30²).

The spelling of 80397 in words is "eighty thousand, three hundred ninety-seven".