69397 has 4 divisors (see below), whose sum is σ = 71820. Its totient is φ = 66976.

The previous prime is 69389. The next prime is 69401. The reversal of 69397 is 79396.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14641 + 54756 = 121^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 69397 - 2³ = 69389 is a prime.

It is a Duffinian number.

69397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2⁶⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

69397 is a deficient number, since it is larger than the sum of its proper divisors (2423).

69397 is a wasteful number, since it uses less digits than its factorization.

69397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422.

The product of its digits is 10206, while the sum is 34.

The square root of 69397 is about 263.4331034627. The cubic root of 69397 is about 41.0941717947.

Subtracting 69397 from its reverse (79396), we obtain a palindrome (9999).

The spelling of 69397 in words is "sixty-nine thousand, three hundred ninety-seven".