397101 has 4 divisors (see below), whose sum is σ = 529472. Its totient is φ = 264732.

The previous prime is 397099. The next prime is 397127. The reversal of 397101 is 101793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101793 = 3 ⋅33931.

It is not a de Polignac number, because 397101 - 2¹ = 397099 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397151) 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, 66181 + ... + 66186.

It is an arithmetic number, because the mean of its divisors is an integer number (132368).

2³⁹⁷¹⁰¹ is an apocalyptic number.

It is an amenable number.

397101 is a deficient number, since it is larger than the sum of its proper divisors (132371).

397101 is a wasteful number, since it uses less digits than its factorization.

397101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132370.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 397101 is about 630.1595036179. The cubic root of 397101 is about 73.5021980924.

Adding to 397101 its reverse (101793), we get a palindrome (498894).

It can be divided in two parts, 39 and 7101, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 397101 in words is "three hundred ninety-seven thousand, one hundred one".