397043 has 4 divisors (see below), whose sum is σ = 417960. Its totient is φ = 376128.

The previous prime is 397037. The next prime is 397051. The reversal of 397043 is 340793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397043 - 2⁴ = 397027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397013) 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 3 ways as a sum of consecutive naturals, for example, 10430 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (104490).

2³⁹⁷⁰⁴³ is an apocalyptic number.

397043 is a deficient number, since it is larger than the sum of its proper divisors (20917).

397043 is a wasteful number, since it uses less digits than its factorization.

397043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20916.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 397043 is about 630.1134818428. The cubic root of 397043 is about 73.4986193765.

The spelling of 397043 in words is "three hundred ninety-seven thousand, forty-three".