389197 has 4 divisors (see below), whose sum is σ = 393660. Its totient is φ = 384736.

The previous prime is 389189. The next prime is 389219. The reversal of 389197 is 791983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791983 = 491 ⋅1613.

It can be written as a sum of positive squares in 2 ways, for example, as 145161 + 244036 = 381^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 389197 - 2³ = 389189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389117) 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, 2098 + ... + 2275.

It is an arithmetic number, because the mean of its divisors is an integer number (98415).

2³⁸⁹¹⁹⁷ is an apocalyptic number.

It is an amenable number.

389197 is a deficient number, since it is larger than the sum of its proper divisors (4463).

389197 is an equidigital number, since it uses as much as digits as its factorization.

389197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its digits is 13608, while the sum is 37.

The square root of 389197 is about 623.8565540250. The cubic root of 389197 is about 73.0112574120.

The spelling of 389197 in words is "three hundred eighty-nine thousand, one hundred ninety-seven".