193397 has 8 divisors (see below), whose sum is σ = 204120. Its totient is φ = 183040.

The previous prime is 193393. The next prime is 193423. The reversal of 193397 is 793391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 676 + 192721 = 26^2 + 439^2 .

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 193397 - 2² = 193393 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193393) 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, 2129 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (25515).

2¹⁹³³⁹⁷ is an apocalyptic number.

It is an amenable number.

193397 is a deficient number, since it is larger than the sum of its proper divisors (10723).

193397 is an equidigital number, since it uses as much as digits as its factorization.

193397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183.

The product of its digits is 5103, while the sum is 32.

The square root of 193397 is about 439.7692576795. The cubic root of 193397 is about 57.8295630667.

The spelling of 193397 in words is "one hundred ninety-three thousand, three hundred ninety-seven".