397173 has 8 divisors (see below), whose sum is σ = 605248. Its totient is φ = 226944.

The previous prime is 397153. The next prime is 397181. The reversal of 397173 is 371793.

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

It is not a de Polignac number, because 397173 - 2¹² = 393077 is a prime.

397173 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 397173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9436 + ... + 9477.

It is an arithmetic number, because the mean of its divisors is an integer number (75656).

2³⁹⁷¹⁷³ is an apocalyptic number.

It is an amenable number.

397173 is a deficient number, since it is larger than the sum of its proper divisors (208075).

397173 is a wasteful number, since it uses less digits than its factorization.

397173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18923.

The product of its digits is 3969, while the sum is 30.

The square root of 397173 is about 630.2166294220. The cubic root of 397173 is about 73.5066401516.

The spelling of 397173 in words is "three hundred ninety-seven thousand, one hundred seventy-three".