397193 has 4 divisors (see below), whose sum is σ = 402708. Its totient is φ = 391680.

The previous prime is 397183. The next prime is 397211. The reversal of 397193 is 391793.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391793 = 37 ⋅10589.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 139129 = 508^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 397193 - 2⁸ = 396937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397153) 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, 2648 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (100677).

2³⁹⁷¹⁹³ is an apocalyptic number.

It is an amenable number.

397193 is a deficient number, since it is larger than the sum of its proper divisors (5515).

397193 is an equidigital number, since it uses as much as digits as its factorization.

397193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514.

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

The square root of 397193 is about 630.2324967819. The cubic root of 397193 is about 73.5078739617.

The spelling of 397193 in words is "three hundred ninety-seven thousand, one hundred ninety-three".