397039 has 4 divisors (see below), whose sum is σ = 410760. Its totient is φ = 383320.

The previous prime is 397037. The next prime is 397051. The reversal of 397039 is 930793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930793 = 107 ⋅8699.

It is a cyclic number.

It is not a de Polignac number, because 397039 - 2¹ = 397037 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 397039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397037) 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, 6817 + ... + 6874.

It is an arithmetic number, because the mean of its divisors is an integer number (102690).

2³⁹⁷⁰³⁹ is an apocalyptic number.

397039 is a deficient number, since it is larger than the sum of its proper divisors (13721).

397039 is a wasteful number, since it uses less digits than its factorization.

397039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13720.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 397039 is about 630.1103078033. The cubic root of 397039 is about 73.4983725556.

The spelling of 397039 in words is "three hundred ninety-seven thousand, thirty-nine".